[n] A. Schempp et al., “Development of a Variable Energy RFQ for Cluster Acceleration”, in Proc. PAC'91, San Francisco, CA, USA, May 1991, pp. 3053-3056.
%\cite{Schempp:PAC91} \bibitem{Schempp:PAC91} A. Schempp \emph{et al.}, \textquotedblleft{Development of a Variable Energy RFQ for Cluster Acceleration}\textquotedblright, in \emph{Proc. PAC’91}, San Francisco, CA, USA, May 1991, pp. 3053--3056.
@inproceedings{schempp:pac91, author = {A. Schempp and others}, title = {{Development of a Variable Energy RFQ for Cluster Acceleration}}, booktitle = {Proc. PAC'91}, pages = {3053--3056}, paper = {}, venue = {San Francisco, CA, USA, May 1991}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }