[n] A. Schempp, “4 Rod RFQ Injector for GSI Linac”, in Proc. PAC'89, Chicago, IL, USA, Mar. 1989, pp. 1093-1098.
%\cite{Schempp:PAC89} \bibitem{Schempp:PAC89} A. Schempp, \textquotedblleft{4 Rod RFQ Injector for GSI Linac}\textquotedblright, in \emph{Proc. PAC’89}, Chicago, IL, USA, Mar. 1989, pp. 1093--1098.
@inproceedings{schempp:pac89, author = {A. Schempp}, title = {{4 Rod RFQ Injector for GSI Linac}}, booktitle = {Proc. PAC'89}, pages = {1093--1098}, paper = {}, venue = {Chicago, IL, USA, Mar. 1989}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }