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%%  Ein Beispiel der DANTE-Edition
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%%  Beispiel 02-07-5 auf Seite 31.
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%%  Copyright (C) 2011 Herbert Voss
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%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
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%%  See http://www.latex-project.org/lppl.txt for details.
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%% ==bibtex== 
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\documentclass[]{article}
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\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[ngerman]{babel}
\usepackage[paper=a7,pagesize,DIV15]{typearea}
\AtEndDocument{\clearpage
\bibliographystyle{plainnat}
\bibliography{buch2}}
\setlength\parindent{0pt}

\usepackage[super]{natbib}

\begin{document}
Erster Verweis~\citep{Goossens:2008:LGC,%
  voss:pstricks,voss:referenz};
Zweiter Verweis~\citenum{Goossens:2008:LGC,%
  voss:pstricks,voss:referenz}\\
\end{document}
