[n] K. Bongardt et al., “Theoretical Studies of the Ultra Slow Extraction for the Cooler Synchrotron COSY-Juelich”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 1767-1770.
%\cite{Bongardt:PAC91} \bibitem{Bongardt:PAC91} K. Bongardt \emph{et al.}, \textquotedblleft{Theoretical Studies of the Ultra Slow Extraction for the Cooler Synchrotron COSY-Juelich}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 1767--1770.
@inproceedings{bongardt:pac91, author = {K. Bongardt and others}, title = {{Theoretical Studies of the Ultra Slow Extraction for the Cooler Synchrotron COSY-Juelich}}, booktitle = {Proc. PAC'91}, pages = {1767--1770}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }