[n] M. Wedekind et al., “IUCF High Intensity Polarized Ion Source”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 1922-1925.
%\cite{Wedekind:PAC91} \bibitem{Wedekind:PAC91} M. Wedekind \emph{et al.}, \textquotedblleft{IUCF High Intensity Polarized Ion Source}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 1922--1925.
@inproceedings{wedekind:pac91, author = {M. Wedekind and others}, title = {{IUCF High Intensity Polarized Ion Source}}, booktitle = {Proc. PAC'91}, pages = {1922--1925}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }