[n] R. Kowalewicz et al., “Performance of the CERN Plasma Lens in Laboratory and Beam Tests at the Antiproton Source”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 2631-2634.
%\cite{Kowalewicz:PAC91} \bibitem{Kowalewicz:PAC91} R. Kowalewicz \emph{et al.}, \textquotedblleft{Performance of the CERN Plasma Lens in Laboratory and Beam Tests at the Antiproton Source}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 2631--2634.
@inproceedings{kowalewicz:pac91, author = {R. Kowalewicz and others}, title = {{Performance of the CERN Plasma Lens in Laboratory and Beam Tests at the Antiproton Source}}, booktitle = {Proc. PAC'91}, pages = {2631--2634}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }