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diff --git a/lib/cel-template/logos/kitlogo_en_rgb.pdf b/lib/cel-template/logos/kitlogo_en_rgb.pdf
deleted file mode 100644
index dd59fa6..0000000
Binary files a/lib/cel-template/logos/kitlogo_en_rgb.pdf and /dev/null differ
diff --git a/lib/cel-template/logos/logo_jupyter.png b/lib/cel-template/logos/logo_jupyter.png
deleted file mode 100644
index 6d8b126..0000000
Binary files a/lib/cel-template/logos/logo_jupyter.png and /dev/null differ
diff --git a/lib/cel-template/logos/schloss.jpg b/lib/cel-template/logos/schloss.jpg
deleted file mode 100644
index f7c4ed9..0000000
Binary files a/lib/cel-template/logos/schloss.jpg and /dev/null differ
diff --git a/lib/cel-template/logos/schloss_schmal.jpg b/lib/cel-template/logos/schloss_schmal.jpg
deleted file mode 100644
index 4690394..0000000
Binary files a/lib/cel-template/logos/schloss_schmal.jpg and /dev/null differ
diff --git a/lib/cel-template/makros_own.tex b/lib/cel-template/makros_own.tex
deleted file mode 100644
index 4850d0d..0000000
--- a/lib/cel-template/makros_own.tex
+++ /dev/null
@@ -1,650 +0,0 @@
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Own commands and macros
-%
-% defining commands and so on, not altering slides design
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Misc commands 
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-
-% Schlagwort
-\newcommand\schlagwort[1]{\textbf{\textcolor{kit-green100}{#1}}}
-
-
-% simple implication within math or text
-\def\thus{\relax
-	\ifmmode
-		\implies
-	\else
-		$\implies$
-	\fi}
-
-
-
-% Pointing finger for noting important things
-\newcommand{\mind}{ \hfill { \textbf{\textcolor{KITred}{\bf \HandLeft} } } }
-
-
-% colored small box representing end of a proof
-\def\endofproof{
-	\ifmmode
-		\text{\hfill} \textcolor{KITgreen}{\rule{2mm}{2mm}}
-	\else
-		$\hfill \textcolor{KITgreen}{\rule{2mm}{2mm}}$
-	\fi}
-
-% disabling	visibility of yet-to-be-uncovered text
-\setbeamercovered{invisible}
-
-
-
-
-% colors
-\setbeamercolor{color_lower}{fg=KITblack,bg=kit-green15}
-\setbeamercolor{color_upper}{fg=KITblack,bg=kit-green70}
-\setbeamertemplate{navigation symbols}{}
-
-\definecolor{KITgreen}{rgb}{0,.59,.51}
-\definecolor{KITblack}{rgb}{0,0,0}
-\definecolor{KITblue}{rgb}{.27,.39,.66}
-\definecolor{KITred}{rgb}{.63,.13,.13}
-\definecolor{KITpurple}{rgb}{.64,.06,.48}
-\definecolor{KITcyan}{rgb}{.14,.63,.87}
-
-\definecolor{KITyellow}{rgb}{.98,.89,0}
-\definecolor{KITorange}{rgb}{.87,.60,.10}
-
-
-
-%%%%%%%%%%%%%%%%%
-% Basic math
-%%%%%%%%%%%%%%%%%
-
-% definition sign
-\def\defl{:=}
-
-% j and differential calc
-\def\j{{\mathrm{j}}}
-\def \dd{\, {\mathrm{d}}}
-
-% Real part
-\def\real{{\mathrm{Re}}}
-\def\imag{{\mathrm{Im}}}
-
-% Vector notataion
-\newcommand\vek[1]{{\bm{#1}}}
-
-% sinc and rect
-\newcommand\sinc{\,{\mathrm{sinc}}}
-\newcommand\rect{\,{\mathrm{rect}}}
-
-
-% Galois
-\def\F{{\mathds{F}}}
-
-
-% fields
-\def\rz{\ifmmode{\mathds{R}}%
-    \else{\hbox{$\mathds{R}$}}\fi} 
-\def\nz{\ifmmode{\mathbb{N}}%
-    \else{\hbox{$\mathds{N}$}}\fi} 
-\def\gz{\ifmmode{\mathds{Z}}%
-   \else{\hbox{$\mathds{Z}$}}\fi} 
-\def\cz{\ifmmode{\mathds{C}}
-    \else{\hbox{$\mathds{C}$}}\fi}%
-\def\qz{\ifmmode{\mathds{Q}}%
-    \else{\hbox{$\mathds{Q}$}}\fi}%   
-\def\K{\ifmmode{\mathds{K}}%
-    \else{\hbox{$\mathds{K}$}}\fi}%  
-
-
-% Sets as caligraphic letters
-\def\setS{{\mathcal{S}}}
-\def\setP{{\mathcal{P}}}
-\def\setX{{\mathcal{X}}}
-\def\setY{{\mathcal{Y}}}
-\def\setZ{{\mathcal{Z}}}
-\def\setC{{\mathcal{C}}}
-\def\setB{{\mathcal{B}}}
-
-
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Probability theory
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\def\Er{\ifmmode{\mathbb{E}}%
-    \else{\hbox{$\mathbb{E}$}}\fi}%  
-    
-\def\V{
-	\ifmmode
-	{\mathrm{V}}
-	\else
-	${\mathrm{V}}$
-	\fi}    
-
-
-\def\PO{\mathcal{P}(\Omega)}
-\def\sigalg{\mathcal{B}}
-
-\def\NO{N_{\Omega}}
-	
-% random variables
-%\newcommand\rv[1]{{\mathsf{#1}}}
-\newcommand\rv[1]{{\uppercase{#1}}}
-
-\def\rvX{\rv{x}}
-\def\rvY{\rv{y}}
-\def\rvZ{\rv{z}}
-
-
-
-
-
-
-%%%%%%%%%%%%%%%%%
-% Communications, system theory, and transforms
-%%%%%%%%%%%%%%%%%
-
-
-% Bandpass as Index
-\def\bp{{\mathrm{BP}}}
-
-
-% transform as symbol
-\usepackage{trfsigns}
-
-\def\transform{\; \laplace \;}
-\def\Transform{\; \Laplace \;}
-
-\newcommand{\vTransform}[1][]{\mbox{\setlength{\unitlength}{0.1em}%
-		\begin{picture}(10,20)%
-		\put(3,2){\circle{4}}%
-		\put(3,4){\line(0,1){12}}%
-		\put(3,18){\circle*{4}}%
-		\put(10,7){#1}
-		\end{picture}%
-	}%
-}%
-
-\newcommand{\vtransform}[1][]{\mbox{\setlength{\unitlength}{0.1em}%
-		\begin{picture}(10,20)%
-		\put(3,2){\circle*{4}}%
-		\put(3,4){\line(0,1){12}}%
-		\put(3,18){\circle{4}}%
-		\put(10,7){#1}
-		\end{picture}%
-	}%
-}%     
-
-
-% Hz and seconds
-\newcommand\uHz{\mu{\,\mathrm{Hz}}}
-\newcommand\us{{\mu\,\mathrm{s}}}	
-
-% index for indicating sample time
-\newcommand\samp{{\mathrm{s}}}
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-% samples per symbol
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-
-% command for SNR as sans-serif
-\newcommand\snr{{\mathsf{SNR}}}
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Boxes and stuff
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-
-
-
-% Command for aligning itemize when using columns; --> add "\AdjustMargins" after \begin{frame}...
-\makeatletter
-\newcommand*{\AdjustMargins}{%
-    \setlength{\beamer@rightmargin}{0em}%
-    \setlength{\beamer@leftmargin}{0em}%
-}
-\makeatother
-
-
-% Colored boxes
-\setbeamercolor{color_lower}{fg=black,bg=kit-green15}
-\setbeamercolor{color_upper}{fg=black,bg=kit-green70}
-
-
-
-% colored box for definition and theorems
-\newcommand\theobox[2]{
-	\begin{center}
-		\begin{beamerboxesrounded}
-			[upper=color_upper,lower=color_lower]%,shadow=true]
-			{\textcolor{white}{\textbf{#1}}}
-			#2
-		\end{beamerboxesrounded}
-	\end{center}
-}
-
-
-% Boxed equation 
-\newcommand{\eqbox}[1]{
-	\begin{center}
-		\setlength{\fboxsep}{1mm}
-		\setlength{\fboxrule}{0.3mm}
-		\fcolorbox{kit-green100}{white}
-		%{\parbox{.9\linewidth \fboxsep \fboxrule}{
-		{\parbox{.9\linewidth }{
-			\ifmmode
-				#1
-			\else
-				%\bigskip
-				#1
-				%\bigskip
-			\fi
-		}}	
-	\end{center}
-}
-
-
-% New definition of for a boxed equation 
-\newcommand{\eqboxed}[1]{
-\begin{center}
-\fcolorbox{kit-green100}{white}{
-$#1$
-}
-\end{center}}
-
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Alignment and flow control
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-
-% Get overview whenever calling "\subsection";
-% current section being black, others gray
-
-\AtBeginSection[]
-{
-	
-  \begin{frame}[t] 
-		   \frametitle{\ifthenelse{\boolean{EnglishLanguage}}{Overview}{Übersicht}}
-	   \tableofcontents[sectionstyle=show/show, subsectionstyle=show/show,subsubsectionstyle=hide]
-  \end{frame}
-}
-
-\AtBeginSubsection[]
-{
-  \begin{frame}[t] 
-		   \frametitle{\ifthenelse{\boolean{EnglishLanguage}}{Overview}{Übersicht}}
-	   \tableofcontents[currentsection,currentsubsection,subsubsectionstyle=show/show/hide]
-  \end{frame}
-}
-
-\only<beamer>
-{
-	\AtBeginSubsubsection[]
-	{
-	  \begin{frame}[t] 
-		   \frametitle{\ifthenelse{\boolean{EnglishLanguage}}{Overview}{Übersicht}}
-		   \tableofcontents[currentsection,currentsubsection,subsubsectionstyle=show/shaded/hide]
-	  \end{frame}
-	}
-}
-
-
-
-% Increasing section number
-\makeatletter
-\newcommand{\setnextsection}[1]{%
-	\setcounter{section}{\numexpr#1-1\relax}%
-	\beamer@tocsectionnumber=\numexpr#1-1\relax\space}
-\makeatother
-
-
-
-
-% Short command for integration of jupyter examples
-\newcommand{\jupyex}[2]
-{
-	\AdjustMargins
-	
-	\begin{columns}[t]
-		\begin{column}{.9\textwidth}
-			\begin{itemize}
-				\item \schlagwort{\ifthenelse{\boolean{EnglishLanguage}}{Example}{Beispiel}:#1} #2
-			\end{itemize}
-		\end{column}
-		\begin{column}{.1\textwidth}
-			\begin{center}
-			\includegraphics[width=.7\textwidth]{\templates/logos/logo_jupyter}
-			\end{center}
-		\end{column}
-	\end{columns}
-}
-\newcommand{\jupyexNew}[2]
-{
-	\AdjustMargins
-	
-	\begin{columns}[t]
-		\begin{column}{.9\textwidth}
-			\begin{itemize}
-				\item \schlagwort{
-					\ifthenelse{\boolean{EnglishLanguage}}{Example}{Beispiel}:\footnote[frame]{\scriptsize \schlagwort{\ifthenelse{\boolean{EnglishLanguage}}{File}{Datei}:} #1}
-				} #2
-			\end{itemize}
-		\end{column}
-		\begin{column}{.1\textwidth}
-			\begin{center}
-				\includegraphics[width=.7\textwidth]{\templates/logos/logo_jupyter}
-			\end{center}
-		\end{column}
-	\end{columns}
-}
-
-
-
-% Literature as intended
-\setbeamertemplate{bibliography item}[text]
-
-
-\newcommand\FourQuad[4]{%
-	\begin{minipage}[b][.35\textheight][t]{.47\textwidth}#1\end{minipage}\hfill%
-	\begin{minipage}[b][.35\textheight][t]{.47\textwidth}#2\end{minipage}\\[1em]
-	\begin{minipage}[b][.35\textheight][t]{.47\textwidth}#3\end{minipage}\hfill
-	\begin{minipage}[b][.35\textheight][t]{.47\textwidth}#4\end{minipage}%
-}
-
-
-
-%%%%%%%%%%%%%
-% new command to highlight corresponding part of formulae
-%
-% first version is deprecated and replaced by using tikz
-%%%%%%%%%%%%%
-
-%\newcommand{\ifequals}[3]{\ifthenelse{\equal{#1}{#2}}{#3}{}}
-%\newcommand{\case}[2]{#1 #2} % Dummy, so \renewcommand has something to overwrite...
-%\newenvironment{switch}[1]{\renewcommand{\case}{\ifequals{#1}}}{}
-
-%% \highlight[<colour>]{<stuff>}
-%\newcommand{\hi}[2][KITyellow]{
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-%		\case{KITyellow}
-%			{
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-%				  {\colorbox{#1}{$\textstyle#2$}}%
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-%				  {\colorbox{#1}{\textcolor{white}{$\scriptstyle#2$}}}
-%				  {\colorbox{#1}{\textcolor{white}{$\scriptscriptstyle#2$}}}
-%			}%	
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-%				  {\colorbox{#1}{\textcolor{white}{$\scriptstyle#2$}}}
-%				  {\colorbox{#1}{\textcolor{white}{$\scriptscriptstyle#2$}}}
-%			}%	
-%		\case{KITcyan}
-%			{
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-%%%%%%%%%%%%%
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-
-% \highlight[<colour>]{<stuff>}
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-	{
-		%\tikz[baseline]{\node[fill=#1!50,anchor=base ]{$#2$};}
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-%			{\tikz[baseline]{\node[fill=#1!50,anchor=base ]{$\scriptscriptstyle#2$};} }
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-			{\colorbox{#1!50}{\textcolor{black}{$\textstyle#2$}}}
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-			{\colorbox{#1!50}{\textcolor{black}{$\scriptscriptstyle#2$}}}
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-		%\textcolor{#1}{\textbf{#2}}
-		{\colorbox{#1!50}{\textcolor{black}{#2}}}
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-	
-% Kommando um Hin- und Herschieben zu verhinden
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-
-
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-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Pages notes and reference
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-
-\newcommand{\pagesNotes}{
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-%
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-	
-			\end{tikzpicture}
-%		\end{center}
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-% Command for showing that some notes will be taken (blackboard, slides,...)
-\newcommand{\notes}{ \hyperlink{Notes}{ \textbf{\textcolor{KITred}{\bf \PencilLeftUp} } } }
-
-%\mode<beamer>
-%{
-%\logo{\small \notes}
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-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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-
-% References on bottom of slide
-
-\newcommand{\addreference}[2]{%
-    {
-        \scriptsize\textcolor{kit-green100}{
-            \begin{tabular}{lp{0.88\columnwidth}}
-                [#1] & #2
-            \end{tabular}
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-\newcommand{\addreferences}{%
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-
-\newcommand\@addreferencesi{\@ifnextchar\stopreferences{\@addreferencesend}{\@addreferencesii}}
-
-\newcommand\@addreferencesii[2]{%
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-    \@addreferencesi % restart the recursion
-}
-
-\newcommand\@addreferencesend[1]{% The argument is \stopimages
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-
-% References on the bottom of the current column
-
-\newcommand{\addreferencecol}[2]{%
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-\makeatletter
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-\newcommand{\addreferencescol}{%
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-\newcommand\@addreferencescoli{\@ifnextchar\stopreferences{\@addreferencescolend}{\@addreferencescolii}}
-
-\newcommand\@addreferencescolii[2]{%
-    \textcolor{kit-green100}{[#1]} & \textcolor{kit-green100}{#2} \\
-    \@addreferencescoli % restart the recursion
-}
-
-\newcommand\@addreferencescolend[1]{% The argument is \stopimages
-    \end{tabular}
-    \end{scriptsize}
-}
-
-\makeatother
-
-\newcommand{\citereference}[1]{\textcolor{kit-green100}{\textbf{\scriptsize{[#1]}}}}
-\newcommand{\citereferencewhite}[1]{\textcolor{white}{\textbf{\scriptsize{[#1]}}}}
-
-
-% defines algorithm counter for chapter-level
-\newcounter{genericAlgorithmCounter}
-\let\OldSection\section
-\renewcommand{\section}{\setcounter{genericAlgorithmCounter}{1}\OldSection}
-%defines appearance of the algorithm counter
-\renewcommand{\thegenericAlgorithmCounter}{\thechapter .\arabic{genericAlgorithmCounter}}
-% defines a new caption label as Algorithm x.y
-\DeclareCaptionLabelFormat{algocaption}{Algorithm \thegenericAlgorithmCounter} 
-
-%
-% Algorithm stuff
-%
-
-\lstnewenvironment{algorithm}[1][] 
-{
-    \captionsetup{labelformat=algocaption,labelsep=colon}
-    \lstset{
-        mathescape=true,
-        escapeinside=||,
-        frame=TB,
-        numbers=left,
-        numberstyle=\tiny,
-        basicstyle=\normalfont,
-        columns=fullflexible,
-        keywordstyle=\color{black}\bfseries,
-        keywords={,for, while, end, do, nd, or, return, if,}
-        numbers=left,
-        xleftmargin=.04\textwidth,
-        captionpos=b,
-        belowskip=1.5em,
-        aboveskip=1.5em,
-        #1 % This is to add custom settings
-    }
-}
-{\addtocounter{genericAlgorithmCounter}{1}}
-
-\let\origthelstnumber\thelstnumber
-\makeatletter
-\newcommand*\Suppressnumber{%
-  \lst@AddToHook{OnNewLine}{%
-    \let\thelstnumber\relax%
-     \advance\c@lstnumber-\@ne\relax%
-    }%
-}
-\newcommand*\Reactivatenumber{%
-  \lst@AddToHook{OnNewLine}{%
-   \let\thelstnumber\origthelstnumber%
-   \advance\c@lstnumber\@ne\relax}%
-}
-\makeatother
-
diff --git a/lib/cel-template/modifications.tex b/lib/cel-template/modifications.tex
deleted file mode 100644
index 54bb599..0000000
--- a/lib/cel-template/modifications.tex
+++ /dev/null
@@ -1,286 +0,0 @@
-%%%%%%%%%%%%%%%%%%%%%%%
-% Semirounded style and sizes
-%
-
-
-\usepackage{\templates/semirounded}
-\useinnertheme{rounded}
-
-% uses tabularx below, need to include it
-\usepackage{tabularx}
-% in case of animated slides: hide upcoming content
-\setbeamercovered{transparent}
-
-% define size 
-\usepackage{geometry}
-\geometry{papersize={17.07cm,9.6cm}}
-\setlength{\unitlength}{1mm}
-
-\usepackage[absolute,overlay]{textpos}
-\setbeamersize{text margin left=6mm,text margin right=6mm} 
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%
-% Font size in itemize
-\setbeamerfont{itemize/enumerate body}{size=\normalsize}
-\setbeamerfont{itemize/enumerate subbody}{size=\normalsize}
-\setbeamerfont{itemize/enumerate subsubbody}{size=\normalsize}
-
-
-%%%%%%%%%%%%%%%%%%%%%%%
-% keine Navigationsleiste
-%
-\beamertemplatenavigationsymbolsempty    
-
-
-%%%%%%%%%%%%%%%%%%%%%%%
-% anderer Font zur Nutzung des "normalen Latex-Beamer-Fonts"
-%
-%\usepackage{lmodern}
-\usepackage[scaled=.92]{helvet}
-
-
-%%%%%%%%%%%%%%%%%%%%%%%
-% KIT-Farben
-%
-\definecolor{kit-green100}{rgb}{0,.59,.51}
-\definecolor{kit-green70}{rgb}{.3,.71,.65}
-\definecolor{kit-green50}{rgb}{.50,.79,.75}
-\definecolor{kit-green30}{rgb}{.69,.87,.85}
-\definecolor{kit-green15}{rgb}{.85,.93,.93}
-\definecolor{KITgreen}{rgb}{0,.59,.51}
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%    
-% Definition der KIT-Itemize-Umgebung
-%
-\setbeamertemplate{itemize items}
-{
-	
-	\begin{pgfpicture}{0mm}{0mm}{1.5ex}{1.5ex}
-		{\pgfsetcornersarced{\pgfpoint{.3ex}{.3ex}} 
-			\pgfpathmoveto{\pgfpoint{0cm}{1.5ex}} 
-			\pgfpathlineto{\pgfpoint{1.5ex}{1.5ex}}
-			\pgfpathlineto{\pgfpoint{1.5ex}{0cm}}}
-		{\pgfsetcornersarced{\pgfpoint{.3ex}{.3ex}}
-			\pgfpathmoveto{\pgfpoint{1.5ex}{0cm}}
-			\pgfpathlineto{\pgfpointorigin}
-			\pgfpathlineto{\pgfpoint{0cm}{1.5ex}}}
-		\color{kit-green100}
-		\pgfusepath{fill}
-	\end{pgfpicture}%
-}
-
-\setbeamertemplate{enumerate item}{%
-  \usebeamercolor[bg]{item projected}%
-   %\raisebox{1.5pt}{{\color{black}\footnotesize\insertenumlabel}}%
-   \begin{pgfpicture}{0mm}{0mm}{1.5ex}{1.5ex}
-		{\pgfsetcornersarced{\pgfpoint{.3ex}{.3ex}} 
-			\pgfpathmoveto{\pgfpoint{0cm}{1.5ex}} 
-			\pgfpathlineto{\pgfpoint{1.5ex}{1.5ex}}
-			\pgfpathlineto{\pgfpoint{1.5ex}{0cm}}}
-		{\pgfsetcornersarced{\pgfpoint{.3ex}{.3ex}}
-			\pgfpathmoveto{\pgfpoint{1.5ex}{0cm}}
-			\pgfpathlineto{\pgfpointorigin}
-			\pgfpathlineto{\pgfpoint{0cm}{1.5ex}}}
-		\color{kit-green100}
-		\pgfusepath{fill}
-		\color{black}
-     {\pgfputat{\pgfpoint{0.75ex}{0.75ex}}{\pgfbox[center,center]{{\footnotesize\insertenumlabel}}}}
-	\end{pgfpicture}%
-}
-%%%%%%%%%%%%%%%%%%%%%%%%    
-% .... und dieselbe Farbe für alle andere Aufzählungen
-%
-\setbeamercolor{item}{fg=kit-green100}
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%    
-% Footnote, table of contents and bibliography
-
-\renewcommand{\footnotesize}{\scriptsize}
-\setlength\footnotesep{5pt}
-
-% footnote mark possessing the same color as the foreground	
-\setbeamercolor{footnote mark}{fg=.}
-
-
-% colors in literature and contents
-\setbeamercolor{bibliography item}{parent=palette primary, fg=black}
-\setbeamercolor*{bibliography entry title}{parent=palette primary, fg=black}
-\setbeamercolor*{bibliography entry author}{parent=palette primary, fg=black}
-\setbeamercolor*{bibliography counter}{parent=palette primary, fg=black}
-
-\setbeamercolor{section in toc}{fg=black}
-\setbeamercolor{section in bib}{fg=black}
-
-\defbeamertemplate{section in toc}{square unnumbered}{%
-	\begin{pgfpicture}{0mm}{0mm}{1.5ex}{1.5ex}
-		{\pgfsetcornersarced{\pgfpoint{.3ex}{.3ex}} 
-			\pgfpathmoveto{\pgfpoint{0cm}{1.5ex}} 
-			\pgfpathlineto{\pgfpoint{1.5ex}{1.5ex}}
-			\pgfpathlineto{\pgfpoint{1.5ex}{0cm}}}
-		{\pgfsetcornersarced{\pgfpoint{.3ex}{.3ex}}
-			\pgfpathmoveto{\pgfpoint{1.5ex}{0cm}}
-			\pgfpathlineto{\pgfpointorigin}
-			\pgfpathlineto{\pgfpoint{0cm}{1.5ex}}}
-		\color{kit-green100}
-		\pgfusepath{fill}
-	\end{pgfpicture}%
-	\kern1.5ex\inserttocsection\par}
-
-\setbeamertemplate{section in toc}[square unnumbered]
-\setbeamertemplate{subsection in toc}[square unnumbered]
-
-
-
-% multiple pages not being numbered automatically
-\setbeamertemplate{frametitle continuation}[from second][\insertcontinuationcountroman]
-
-
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%
-%frametitle
-\setbeamertemplate{frametitle}
-{
-	\vspace{2mm} %\hspace*{-4mm}
-	\vbox{\hsize=17cm\bfseries\usebeamerfont{frametitle}\textcolor{black}{\LARGE\insertframetitle}}
-	\begin{textblock*}{15mm}(146mm,4mm)
-		\iflanguage{english}{%
-			\includegraphics[width=18mm]{\templates/logos/kitlogo_en_rgb} 
-		}{%
-			\includegraphics[width=18mm]{\templates/logos/kitlogo_de_rgb} 
-		}%
-		
-	\end{textblock*}
-	\vspace{.5cm}
-}
-
-\setbeamertemplate{headline}
-{
-}
-
-
-\usepackage[export]{adjustbox}
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%
-%footer
-\setbeamercolor{footlinecolor}{fg=kit-green100, bg=kit-green30}
-
-\setbeamertemplate{footline}
-{
-
-	\ifnum \theframenumber=1
-		% title frame, do nothing
-	
-	\else
-
-		%%%%%%%%%%%%%%
-		% footer consisting of a kit-green line separating slide and footer
-		%%%%%%%%%%%%%%
-		\begin{center}
-		{
-		\color{lightgray}
-		\rule{.975\textwidth}{1.pt}
-		}
-		\end{center}
-	%
-		\vspace{-0.1cm}
-		\hspace{.2cm} 
-	%
-		\begin{tabularx}{\columnwidth}{p{.005\linewidth}p{.575\linewidth}p{.3\linewidth}p{.15\linewidth}}
-			\textcolor{black}{\bf \insertframenumber}
-			&
-			\textcolor{black}{\bf \insertshortauthor:}
-			\textcolor{black}{\bf \insertshorttitle}
-			&
-			\hfill
-			\textcolor{black}{\bf Communications Engineering Lab (CEL)}
-			&
-			\includegraphics[scale=0.08, valign=c]{\templates/logos/CEL_logo.pdf}	
-		\end{tabularx}
-		\hspace{.3cm} 
-		\vspace{.2cm}
-	\fi
-}
-
-
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%
-%title page
-\setbeamertemplate{title page}
-{
-	\setbeamertemplate{footline}{} 
-	
-	\thispagestyle{empty}
-
-	%elements on title page
-	
-	%KIT logo
-	\begin{textblock*}{24mm}(6mm,5mm)
-		\iflanguage{english}{%
-			\includegraphics[width=23mm]{\templates/logos/kitlogo_en_rgb} 
-		}{%
-			\includegraphics[width=23mm]{\templates/logos/kitlogo_de_rgb} 
-		}%
-	\end{textblock*}
-	
-	%CEL logo
-	%\begin{textblock*}{20mm}(110mm,4mm)
-	%\includegraphics[scale=0.18]{\templates/logos/CEL_logo.pdf} 
-	%\end{textblock*}
-	
-	%title
-	\begin{textblock*}{170mm}(6mm,16mm)
-		\begin{beamercolorbox}[wd=168mm,ht=14mm,dp=3mm,left]{white}%
-			\Large\textbf{\inserttitle}
-		\end{beamercolorbox}
-	\end{textblock*}
-	
-	%subtitle
-	\begin{textblock*}{170mm}(6mm,32.5mm)
-		\scriptsize \insertsubtitle
-	\end{textblock*}
-	
-	%author
-	\begin{textblock*}{120mm}(6mm,35mm)
-		\scriptsize\insertauthor%~\textbar~\insertshortdate
-	\end{textblock*}
-
-
-	% title image
-	\begin{textblock*}{\paperwidth}(1mm,40mm)
-		\begin{center}
-		\includegraphics[width=.95\linewidth]{\templates/logos/schloss_schmal} 
-		\end{center}
-	\end{textblock*}
-
-	
-	%legal KIT text
-	\begin{textblock*}{80mm}[0,1](6mm,93.5mm)
-		\fontsize{4pt}{6pt}\selectfont
-		\iflanguage{english}{
-			KIT -- The Research University in the Helmholtz Association}
-		{KIT -- Die Forschungsuniversit\"at in der Helmholtz-Gemeinschaft}
-	\end{textblock*}
-	
-	\begin{textblock*}{16mm}(150mm,92mm)
-		\fontsize{8pt}{8pt}\selectfont
-		\bfseries
-		\textcolor{gray}{\href{http://www.kit.edu}{www.kit.edu} }
-	\end{textblock*}
-
-	
-}
-
-% set block title colors for theorems
-\setbeamercolor{block title}{use=structure,fg=white,bg=kit-green100}
-\setbeamercolor{block body}{use=structure,fg=black,bg=kit-green15}
diff --git a/lib/cel-template/packages.tex b/lib/cel-template/packages.tex
deleted file mode 100644
index 324eb57..0000000
--- a/lib/cel-template/packages.tex
+++ /dev/null
@@ -1,87 +0,0 @@
-%%%%%%%%%%%%%%%%%%%%%%%
-% Usepackages
-%
-%\usepackage[ngerman]{babel}
-%\usepackage[latin1]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage{amssymb,amsthm}
-\usepackage{array}
-\usepackage{multicol}
-\usepackage{lipsum}
-\usepackage[overlay,absolute]{textpos}
-
-
-\usepackage{tabularx}
-
-
-
-% importing packages for encoding and fonts
-\usepackage[utf8]{inputenc}
-
-\usefonttheme[onlymath]{serif}
-
-%\usepackage[english,ngerman]{babel}
-\usepackage[english]{babel}
-
-% math stuff
-\usepackage{amssymb,amsthm}
-\usepackage{bbm}
-
-\usepackage{array}
-\usepackage{multicol}
-\usepackage{lipsum}
-
-\usepackage[overlay,absolute]{textpos}
-%\usepackage[absolute]{textpos}
-
-\usepackage{amsmath,amssymb}
-
-\usepackage{xkeyval}
-\usepackage{todonotes}
-
-
-% Links in pdf
-\usepackage[depth=4,open,openlevel=2]{bookmark}
-
-% Um bei Listen erklärenden Text in einem gleichmäßigen Abstand zu setzen: 
-\usepackage{makebox}
-
-% SI units:
-\usepackage{siunitx}
-\sisetup{locale={DE}}
-\AtBeginDocument{\sisetup{math-rm=\mathrm, text-rm=\rmfamily}}
-
-% Tables
-\usepackage{booktabs}
-
-% For cancelling (errata)
-\usepackage{comment}
-\usepackage{soul}
-
-\usepackage{cancel}
-
-% bold math for vector notation
-\usepackage{bm}
-\usepackage{xifthen}
-%\usepackage{adjustbox}
-
-% TikZ and stuff
-\usepackage{tikz, pgfplots}
-\usetikzlibrary{arrows,calc,fit,matrix,positioning,shapes,shadows,trees,mindmap,tikzmark,arrows.meta,angles,quotes,babel}
-\tikzstyle{every picture}+=[remember picture]
-
-
-% option for pre-comiling tikz
-
-%\usepackage{pgfplots}
-%\usepgfplotslibrary{external} 
-%\tikzexternalize[prefix=TikzPictures/]
-
-
-\usepackage{dsfont}
-
-% Index finger
-\usepackage{bbding}
-
-% ifthenelse
-\usepackage{ifthen}
diff --git a/lib/cel-template/semirounded.sty b/lib/cel-template/semirounded.sty
deleted file mode 100644
index b142492..0000000
--- a/lib/cel-template/semirounded.sty
+++ /dev/null
@@ -1,218 +0,0 @@
-%% LaTeX-Beamer template for KIT design
-%% by Erik Burger, Christian Hammer
-%% title picture by Klaus Krogmann
-%%
-%% version 2.1
-%%
-%% mostly compatible to KIT corporate design v2.0
-%% http://intranet.kit.edu/gestaltungsrichtlinien.php
-%%
-%% Problems, bugs and comments to
-%% burger@kit.edu
-
-%% Semi-rounded boxes
-
-\RequirePackage{keyval}
-\renewcommand\beamerboxesrounded[2][]{%
-  \global\let\beamer@firstlineitemizeunskip=\relax%
-  \vbox\bgroup%
-  \setkeys{beamerboxes}{upper=block title,lower=block body,width=\textwidth,shadow=false}%
-  \setkeys{beamerboxes}{#1}%
-  {%
-    \usebeamercolor{\bmb@lower}%
-    \globalcolorstrue%
-    \colorlet{lower.bg}{bg}%
-  }%
-  {%
-    \usebeamercolor{\bmb@upper}%
-    \globalcolorstrue%
-    \colorlet{upper.bg}{bg}%
-  }%
-  %
-  % Typeset head
-  %
-  \vskip4bp
-  \setbox\bmb@box=\hbox{%
-    \begin{minipage}[b]{\bmb@width}%
-      \usebeamercolor[fg]{\bmb@upper}%
-      #2%
-    \end{minipage}}%
-  \ifdim\wd\bmb@box=0pt%
-    \setbox\bmb@box=\hbox{}%
-    \ht\bmb@box=1.5pt%
-    \bmb@prevheight=-4.5pt%
-  \else%
-    \wd\bmb@box=\bmb@width%
-    \bmb@temp=\dp\bmb@box%
-    \ifdim\bmb@temp<1.5pt%
-      \bmb@temp=1.5pt%
-    \fi%
-    \setbox\bmb@box=\hbox{\raise\bmb@temp\hbox{\box\bmb@box}}%
-    \dp\bmb@box=0pt%
-    \bmb@prevheight=\ht\bmb@box%
-  \fi%
-  \bmb@temp=\bmb@width%
-  \bmb@dima=\bmb@temp\advance\bmb@dima by2.2bp%
-  \bmb@dimb=\bmb@temp\advance\bmb@dimb by4bp%
-  \hbox{%
-    \begin{pgfpicture}{0bp}{+-\ht\bmb@box}{0bp}{+-\ht\bmb@box}
-      \ifdim\wd\bmb@box=0pt%
-        \color{lower.bg}%
-      \else%        
-        \color{upper.bg}%
-      \fi%  
-      \pgfpathqmoveto{-4bp}{-1bp}
-      % Adaption for "KIT-Design"
-      \pgfpathlineto{\pgfpoint{-4bp}{3bp}}
-      %\pgfpathqcurveto{-4bp}{1.2bp}{-2.2bp}{3bp}{0bp}{3bp}
-      \pgfpathlineto{\pgfpoint{\bmb@temp}{3bp}}
-      \pgfpathcurveto%
-      {\pgfpoint{\bmb@dima}{3bp}}%
-      {\pgfpoint{\bmb@dimb}{1.2bp}}%
-      {\pgfpoint{\bmb@dimb}{-1bp}}%
-      \bmb@dima=-\ht\bmb@box%
-      \advance\bmb@dima by-2pt%
-      \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-      \pgfpathlineto{\pgfpoint{-4bp}{\bmb@dima}}
-      \pgfusepath{fill}
-    \end{pgfpicture}%
-    \copy\bmb@box%
-  }%
-  \nointerlineskip%
-  \vskip-1pt%
-  \ifdim\wd\bmb@box=0pt%
-  \else%
-  \hbox{%
-    \begin{pgfpicture}{0pt}{0pt}{\bmb@width}{6pt}
-      \bmb@dima=\bmb@width%
-      \advance\bmb@dima by8bp%
-      \pgfpathrectangle{\pgfpoint{-4bp}{-1bp}}{\pgfpoint{\bmb@dima}{8bp}}
-      \pgfusepath{clip}
-      {\pgftransformshift{\pgfpoint{-4bp}{0bp}}\pgftext[left,base]{\pgfuseshading{bmb@transition}}}%
-    \end{pgfpicture}%
-  }%
-  \nointerlineskip%
-  \vskip-0.5pt%
-  \fi%
-  \ifbmb@shadow%
-    \setbox\bmb@boxshadow=\hbox{\pgfuseshading{bmb@shadow}}%
-    \setbox\bmb@boxshadowball=\hbox{\pgfuseshading{bmb@shadowball}}%
-    \setbox\bmb@boxshadowballlarge=\hbox{\pgfuseshading{bmb@shadowballlarge}}%
-  \fi%
-  \setbox\bmb@colorbox=\hbox{{\pgfpicturetrue\pgfsetcolor{lower.bg}}}%
-  \setbox\bmb@box=\hbox\bgroup\begin{minipage}[b]{\bmb@width}%
-    \vskip2pt%
-    \usebeamercolor[fg]{\bmb@lower}%
-    \colorlet{beamerstructure}{upper.bg}%
-    \colorlet{structure}{upper.bg}%
-    %\color{.}%
-  }
-
-\def\endbeamerboxesrounded{%
-  \end{minipage}\egroup%
-  \wd\bmb@box=\bmb@width%
-  \bmb@temp=\dp\bmb@box%
-  \advance\bmb@temp by.5pt%
-  \setbox\bmb@box=\hbox{\raise\bmb@temp\hbox{\box\bmb@box}}%
-  \dp\bmb@box=0pt%
-  \bmb@temp=\wd\bmb@box%
-  \bmb@dima=\bmb@temp\advance\bmb@dima by2.2bp%
-  \bmb@dimb=\bmb@temp\advance\bmb@dimb by4bp%
-  \hbox{%
-    \begin{pgfpicture}{0bp}{0bp}{0bp}{0bp}
-      \ifbmb@shadow%
-      {\pgftransformshift{\pgfpoint{4bp}{-3bp}}\pgftext{\copy\bmb@boxshadowball}}
-      \begin{pgfscope}
-        {%
-        \advance\bmb@temp by-1bp%
-        \pgfpathrectangle{\pgfpoint{\bmb@temp}{-7bp}}{\pgfpoint{9bp}{9bp}}%
-        \pgfusepath{clip}
-        }%
-        {\pgftransformshift{\pgfpoint{\bmb@temp}{1bp}}\pgftext{\box\bmb@boxshadowballlarge}}
-      \end{pgfscope}
-      \begin{pgfscope}
-        \advance\bmb@temp by-4bp%
-        \pgfpathrectangle{\pgfpoint{4bp}{-7bp}}{\pgfpoint{\bmb@temp}{5bp}}
-        \pgfusepath{clip}
-        {\pgftransformshift{\pgfpoint{4bp}{-7bp}}\pgftext[left,base]{\copy\bmb@boxshadow}}%
-      \end{pgfscope}
-      \begin{pgfscope}
-        \advance\bmb@temp by 4bp%
-        \bmb@dima=\ht\bmb@box%
-        \advance\bmb@dima by\bmb@prevheight%
-        \advance\bmb@dima by 4bp%
-        \pgfpathrectangle{\pgfpoint{\bmb@temp}{1bp}}{\pgfpoint{4bp}{\bmb@dima}}
-        \pgfusepath{clip}
-        \advance\bmb@dima by-4bp%
-        {\pgftransformshift{\pgfpoint{\bmb@temp}{\bmb@dima}}\pgftext{\box\bmb@boxshadowball}}
-        \advance\bmb@dima by-1bp%
-        \pgfpathrectangle{\pgfpoint{\bmb@temp}{1bp}}{\pgfpoint{4bp}{\bmb@dima}}
-        \pgfusepath{clip}
-        \advance\bmb@temp by4bp%
-        {\pgftransformshift{\pgfpoint{\bmb@temp}{-3bp}}%
-          \pgftransformrotate{90}%
-          \pgftext[left,base]{\box\bmb@boxshadow}}%
-      \end{pgfscope}
-      \fi%
-      \unhbox\bmb@colorbox%
-      \pgfpathqmoveto{-4bp}{1bp}
-      \pgfpathqcurveto{-4bp}{-1.2bp}{-2.2bp}{-3bp}{0bp}{-3bp}
-      %KIT-Design
-      \pgfpathlineto{\pgfpoint{\the\bmb@dimb}{-3bp}}
-      %\pgfpathcurveto%
-      %{\pgfpoint{\the\bmb@dima}{-3bp}}%
-      %{\pgfpoint{\the\bmb@dimb}{-1.2bp}}%
-      %{\pgfpoint{\the\bmb@dimb}{1bp}}%
-      {
-      \bmb@dima=\ht\bmb@box%
-      \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-      \pgfpathlineto{\pgfpoint{-4bp}{\bmb@dima}}
-      \pgfusepath{fill}
-      }
-      \ifbmb@shadow%
-      {
-        \color{black!50!bg}
-        \pgfsetlinewidth{0pt}
-        \pgfpathmoveto{\pgfpoint{\bmb@dimb}{-.5bp}}
-        \bmb@dima=\ht\bmb@box%
-        \advance\bmb@dima by\bmb@prevheight%
-        \advance\bmb@dima by 1bp%
-        \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-        \pgfusepath{stroke}
-        \bmb@temp=\bmb@dima
-        \advance\bmb@dima by 1bp%
-        \color{black!31!bg}
-        \pgfpathmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
-        \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-        \pgfusepath{stroke}
-        \advance\bmb@dima by 1bp%
-        \advance\bmb@temp by 1bp%
-        \color{black!19!bg}
-        \pgfpathmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
-        \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-        \pgfusepath{stroke}
-        \advance\bmb@dima by 1bp%
-        \advance\bmb@temp by 1bp%
-        \color{black!6!bg}
-        \pgfpathmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
-        \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-        \pgfusepath{stroke}
-        \advance\bmb@dima by 1.5bp%
-        \advance\bmb@temp by 1bp%
-        \color{bg}
-        \pgfpathmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
-        \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-        \pgfusepath{stroke}
-      }
-      \fi
-    \end{pgfpicture}%
-    \box\bmb@box%
-  }%
-  \ifbmb@shadow%
-    \vskip4bp minus 2bp%
-  \else%
-    \vskip2bp%
-  \fi%
-  \egroup% of \vbox\bgroup
-}
-
diff --git a/lib/reference_macros.tex b/lib/reference_macros.tex
deleted file mode 100644
index 6100f2e..0000000
--- a/lib/reference_macros.tex
+++ /dev/null
@@ -1,85 +0,0 @@
-%
-%
-% On slide references
-%
-%
-
-\definecolor{KITblue}{rgb}{.27,.39,.66}
-\definecolor{kit-blue100}{rgb}{.27,.39,.67}
-\definecolor{kit-blue70}{rgb}{.49,.57,.76}
-\definecolor{kit-blue50}{rgb}{.64,.69,.83}
-\definecolor{kit-blue30}{rgb}{.78,.82,.9}
-\definecolor{kit-blue15}{rgb}{.89,.91,.95}
-
-
-% References on bottom of slide
-
-\newcommand{\addreference}[2]{%
-    {
-        \scriptsize\textcolor{KITblue}{
-            \begin{tabular}{lp{0.88\columnwidth}}
-                [#1] & #2
-            \end{tabular}
-        }
-    }%
-}
-
-\makeatletter
-
-\newcommand{\addreferences}{%
-    \begin{scriptsize}
-        \begin{tabular}{lp{0.88\textwidth}}
-            \@addreferencesi
-        }
-
-        \newcommand\@addreferencesi{\@ifnextchar\stopreferences{\@addreferencesend}{\@addreferencesii}}
-
-        \newcommand\@addreferencesii[2]{%
-            \textcolor{KITblue}{[#1]} & \textcolor{KITblue}{#2} \\
-            \@addreferencesi % restart the recursion
-        }
-
-        \newcommand\@addreferencesend[1]{% The argument is \stopimages
-        \end{tabular}
-    \end{scriptsize}
-}
-
-\makeatother
-
-% References on the bottom of the current column
-
-\newcommand{\addreferencecol}[2]{%
-    {
-        \scriptsize\textcolor{KITblue}{
-            \begin{tabular}{lp{0.78\columnwidth}}
-                [#1] & #2
-            \end{tabular}
-        }
-    }%
-}
-
-\makeatletter
-
-\newcommand{\addreferencescol}{%
-    \begin{scriptsize}
-        \begin{tabular}{lp{0.78\columnwidth}}
-            \@addreferencescoli
-        }
-
-        \newcommand\@addreferencescoli{\@ifnextchar\stopreferences{\@addreferencescolend}{\@addreferencescolii}}
-
-        \newcommand\@addreferencescolii[2]{%
-            \textcolor{KITblue}{[#1]} & \textcolor{KITblue}{#2} \\
-            \@addreferencescoli % restart the recursion
-        }
-
-        \newcommand\@addreferencescolend[1]{% The argument is \stopimages
-        \end{tabular}
-    \end{scriptsize}
-}
-
-\makeatother
-
-\newcommand{\citereference}[1]{\textcolor{KITblue}{\textbf{\scriptsize{[#1]}}}}
-\newcommand{\citereferencewhite}[1]{\textcolor{white}{\textbf{\scriptsize{[#1]}}}}
-