[n] H. R. Sprenger et al., “Ramp;D Vacuum Issues of the Future GSI Accelerator Facilities”, in Proc. EPAC'04, Lucerne, Switzerland, Jul. 2004, paper WEPKF027, pp. 1657-1659.
%\cite{Sprenger:EPAC04-WEPKF027} \bibitem{Sprenger:EPAC04-WEPKF027} H. R. Sprenger \emph{et al.}, \textquotedblleft{Ramp;D Vacuum Issues of the Future GSI Accelerator Facilities}\textquotedblright, in \emph{Proc. EPAC’04}, Lucerne, Switzerland, Jul. 2004, paper WEPKF027, pp. 1657--1659.
@inproceedings{sprenger:epac04-wepkf027, author = {H. R. Sprenger and others}, title = {{Ramp;D Vacuum Issues of the Future GSI Accelerator Facilities}}, booktitle = {Proc. EPAC'04}, pages = {1657--1659}, paper = {WEPKF027}, venue = {Lucerne, Switzerland}, series = {European Particle Accelerator Conference}, number = {9}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {9}, year = {2004}, url = {http://accelconf.web.cern.ch/e04/papers/WEPKF027.pdf}, language = {english} }