[n] S. X. Peng et al., “A Low Emittance Compact Proton Injector for a Proton Therapy Facility”, in Proc. IPAC'21, Campinas, Brazil, May 2021, pp. 1218-1221. doi:10.18429/JACoW-IPAC2021-MOPAB404
%\cite{Peng:IPAC21-MOPAB404} \bibitem{Peng:IPAC21-MOPAB404} S. X. Peng \emph{et al.}, \textquotedblleft{A Low Emittance Compact Proton Injector for a Proton Therapy Facility}\textquotedblright, in \emph{Proc. IPAC’21}, Campinas, Brazil, May 2021, pp. 1218--1221. \url{doi:10.18429/JACoW-IPAC2021-MOPAB404}
@inproceedings{peng:ipac21-mopab404, author = {S. X. Peng and others}, title = {{A Low Emittance Compact Proton Injector for a Proton Therapy Facility}}, booktitle = {Proc. IPAC'21}, pages = {1218--1221}, paper = {MOPAB404}, venue = {Campinas, Brazil, May 2021}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-IPAC2021-MOPAB404}, url = {https://jacow.org/ipac2021/papers/MOPAB404.pdf}, language = {english} }