[n] A. Schempp et al., “Experiments with the High Current RFQ Prototype for GSI”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 3139-3142.
%\cite{Schempp:PAC93} \bibitem{Schempp:PAC93} A. Schempp \emph{et al.}, \textquotedblleft{Experiments with the High Current RFQ Prototype for GSI}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 3139--3142.
@inproceedings{schempp:pac93, author = {A. Schempp and others}, title = {{Experiments with the High Current RFQ Prototype for GSI}}, booktitle = {Proc. PAC'93}, pages = {3139--3142}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }