[n] W. Herr, “Computer Simulation of the Coherent Beam-Beam Effect in the LHC”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 1068-1071.
%\cite{Herr:PAC91} \bibitem{Herr:PAC91} W. Herr, \textquotedblleft{Computer Simulation of the Coherent Beam-Beam Effect in the LHC}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 1068--1071.
@inproceedings{herr:pac91, author = {W. Herr}, title = {{Computer Simulation of the Coherent Beam-Beam Effect in the LHC}}, booktitle = {Proc. PAC'91}, pages = {1068--1071}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }