[n] Pisin Chen, “Differential Luminosity Under Beamstrahlung”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 3255-3258.
%\cite{Pisin Chen:PAC91} \bibitem{Pisin Chen:PAC91} Pisin Chen, \textquotedblleft{Differential Luminosity Under Beamstrahlung}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 3255--3258.
@inproceedings{pisin chen:pac91, author = {Pisin Chen}, title = {{Differential Luminosity Under Beamstrahlung}}, booktitle = {Proc. PAC'91}, pages = {3255--3258}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }