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%%  Ein Beispiel der DANTE-Edition
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%%  Beispiel 03-09-13 auf Seite 90.
%%  Copyright (C) 2016 Herbert Voss
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\AtEndDocument{\clearpage\begin{thebibliography}{ABC}
\bibitem{levy:2001}
  Steven Levy: \emph{Hackers:
  Heroes of the Computer
  Revolution}, New York:
  Penguin Books, 2001.
\bibitem{anbar:j_dent_res:1974}
  Marcus Anbar, Fred Farley:
  \emph{Potential use of organic
  polyphosphonates as adhesives
  in the restoration of teeth},
  J Dent Res 53, 879--888, 1974.
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\begin{document}
Was~\citen{levy:2001} zeigt, ist in~\citen{anbar:j_dent_res:1974}
noch einmal besser formuliert.
\end{document}