main.tex

\documentclass[
	12pt,
	a4paper,
	bibtotoc,
	cleardoubleempty,
	idxtotoc,
	ngerman,
	openright
	final,
	listof=nochaptergap,
	]{scrbook}

\input{src/settings}

\begin{document}

\setcounter{secnumdepth}{3}

% Title page
\include{src/title}
\cleardoubleemptypage

\frontmatter

% Abstract
\include{src/abstract}
\cleardoubleemptypage

% Table of contents
\tableofcontents
\addcontentsline{toc}{chapter}{Table of contents}
\cleardoubleemptypage

\mainmatter

\include{src/introduction}
\include{src/paper}

%\printindex

\singlespacing
\bibliographystyle{alphadin}
\bibliography{bibtex}

\include{src/affirmation}

\include{src/appendix}

\end{document}