[n] P. H??lsmann et al., “The New Broadband Accelerating System for the SIS18 Upgrade at GSI”, in Proc. IPAC'18, Vancouver, Canada, Apr.-May 2018, pp. 2755-2758. doi:10.18429/JACoW-IPAC2018-WEPML031
%\cite{H??lsmann:IPAC18-WEPML031} \bibitem{H??lsmann:IPAC18-WEPML031} P. H??lsmann \emph{et al.}, \textquotedblleft{The New Broadband Accelerating System for the SIS18 Upgrade at GSI}\textquotedblright, in \emph{Proc. IPAC’18}, Vancouver, Canada, Apr.-May 2018, pp. 2755--2758. \url{doi:10.18429/JACoW-IPAC2018-WEPML031}
@inproceedings{h??lsmann:ipac18-wepml031, author = {P. H??lsmann and others}, title = {{The New Broadband Accelerating System for the SIS18 Upgrade at GSI}}, booktitle = {Proc. IPAC'18}, pages = {2755--2758}, paper = {WEPML031}, venue = {Vancouver, Canada, Apr.-May 2018}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-IPAC2018-WEPML031}, url = {http://accelconf.web.cern.ch/ipac2018/papers/WEPML031.pdf}, language = {english} }