\begin{quote}
- Copyright \copyright\ 2000-2009 Simone Piccardi. Permission is granted to
+ Copyright \copyright\ 2000-2011 Simone Piccardi. Permission is granted to
copy, distribute and/or modify this document under the terms of the GNU Free
Documentation License, Version 1.1 or any later version published by the
Free Software Foundation; with the Invariant Sections being ``Un preambolo''
% at the end put the bibliography
\backmatter
-
-%\bibliographystyle{phaip}
-%\bibliography{biblio}
\printindex
-
-\bibliographystyle{ieeetr}
+%\bibliographystyle{phaip}
+%\bibliographystyle{ieeetr}
+\bibliographystyle{abstract}
\bibliography{biblio}
\end{document}