[n] W. Berg et al., “Status of the Advanced Photon Source (APS) Linear Accelerator”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 605-608.
%\cite{Berg:PAC93} \bibitem{Berg:PAC93} W. Berg \emph{et al.}, \textquotedblleft{Status of the Advanced Photon Source (APS) Linear Accelerator}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 605--608.
@inproceedings{berg:pac93, author = {W. Berg and others}, title = {{Status of the Advanced Photon Source (APS) Linear Accelerator}}, booktitle = {Proc. PAC'93}, pages = {605--608}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }