[n] R. Maier, U. Pfister, and J. Range, “The COSY-Julich Project April 1991 Status”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 2808-2811.
%\cite{Maier:PAC91} \bibitem{Maier:PAC91} R. Maier, U. Pfister, and J. Range, \textquotedblleft{The COSY-Julich Project April 1991 Status}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 2808--2811.
@inproceedings{maier:pac91, author = {R. Maier and U. Pfister and J. Range}, title = {{The COSY-Julich Project April 1991 Status}}, booktitle = {Proc. PAC'91}, pages = {2808--2811}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }