[n] A. Schick and D. L. Rubin, “Beam-Beam Performance as a Function of betaupsilon at CESR”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 470-473.
%\cite{Schick:PAC91} \bibitem{Schick:PAC91} A. Schick and D. L. Rubin, \textquotedblleft{Beam-Beam Performance as a Function of beta<sub>upsilon</sub> at CESR}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 470--473.
@inproceedings{schick:pac91, author = {A. Schick and D. L. Rubin}, title = {{Beam-Beam Performance as a Function of beta<sub>upsilon</sub> at CESR}}, booktitle = {Proc. PAC'91}, pages = {470--473}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }