[n] W. E. Nexsen et al., “Reduction of Energy Sweep of the ETA-II Beam”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 3103-3106.
%\cite{Nexsen:PAC91} \bibitem{Nexsen:PAC91} W. E. Nexsen \emph{et al.}, \textquotedblleft{Reduction of Energy Sweep of the ETA-II Beam}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 3103--3106.
@inproceedings{nexsen:pac91, author = {W. E. Nexsen and others}, title = {{Reduction of Energy Sweep of the ETA-II Beam}}, booktitle = {Proc. PAC'91}, pages = {3103--3106}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }