[n] A. Chabert et al., “Superconducting Booster Cyclotron Studies at GANIL”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 2802-2805.
%\cite{Chabert:PAC91} \bibitem{Chabert:PAC91} A. Chabert \emph{et al.}, \textquotedblleft{Superconducting Booster Cyclotron Studies at GANIL}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 2802--2805.
@inproceedings{chabert:pac91, author = {A. Chabert and others}, title = {{Superconducting Booster Cyclotron Studies at GANIL}}, booktitle = {Proc. PAC'91}, pages = {2802--2805}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }