[n] J. Keintzel et al., “HE-LHC Optics Design Options”, in Proc. IPAC'19, Melbourne, Australia, May 2019, pp. 492-495. doi:10.18429/JACoW-IPAC2019-MOPMP026
%\cite{Keintzel:IPAC19-MOPMP026} \bibitem{Keintzel:IPAC19-MOPMP026} J. Keintzel \emph{et al.}, \textquotedblleft{HE-LHC Optics Design Options}\textquotedblright, in \emph{Proc. IPAC’19}, Melbourne, Australia, May 2019, pp. 492--495. \url{doi:10.18429/JACoW-IPAC2019-MOPMP026}
@inproceedings{keintzel:ipac19-mopmp026, author = {J. Keintzel and others}, title = {{HE-LHC Optics Design Options}}, booktitle = {Proc. IPAC'19}, pages = {492--495}, paper = {MOPMP026}, venue = {Melbourne, Australia, May 2019}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-IPAC2019-MOPMP026}, url = {http://accelconf.web.cern.ch/ipac2019/papers/MOPMP026.pdf}, language = {english} }