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% Abstract in English
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\pdfbookmark[0]{Abstract}{Abstract}


\begin{otherlanguage}{american}
	\chapter*{Abstract}
	Short summary of the contents in English. Approximately one page\dots
	\medskip
	
	\noindent
	BTW: A great guide by Kent Beck how to write good abstracts can be found here:
	\begin{center}
		\url{https://plg.uwaterloo.ca/~migod/research/beckOOPSLA.html}
	\end{center}
\end{otherlanguage}