[n] C. P. Beetz et al., “Applications of Diamond Films to Photocathode Electron Guns and Accelerators”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 1981-1984.
%\cite{Beetz:PAC91} \bibitem{Beetz:PAC91} C. P. Beetz \emph{et al.}, \textquotedblleft{Applications of Diamond Films to Photocathode Electron Guns and Accelerators}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 1981--1984.
@inproceedings{beetz:pac91, author = {C. P. Beetz and others}, title = {{Applications of Diamond Films to Photocathode Electron Guns and Accelerators}}, booktitle = {Proc. PAC'91}, pages = {1981--1984}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }