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+%*******************************************************
+% Abstract in English
+%*******************************************************
+\pdfbookmark[1]{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}