[n] M. Bousonville et al., “European XFEL High-Power RF System - the First 4 Years of Operation”, in Proc. IPAC'21, Campinas, Brazil, May 2021, pp. 2708-2710. doi:10.18429/JACoW-IPAC2021-WEPAB045
%\cite{Bousonville:IPAC21-WEPAB045} \bibitem{Bousonville:IPAC21-WEPAB045} M. Bousonville \emph{et al.}, \textquotedblleft{European XFEL High-Power RF System - the First 4 Years of Operation}\textquotedblright, in \emph{Proc. IPAC’21}, Campinas, Brazil, May 2021, pp. 2708--2710. \url{doi:10.18429/JACoW-IPAC2021-WEPAB045}
@inproceedings{bousonville:ipac21-wepab045, author = {M. Bousonville and others}, title = {{European XFEL High-Power RF System - the First 4 Years of Operation}}, booktitle = {Proc. IPAC'21}, pages = {2708--2710}, paper = {WEPAB045}, venue = {Campinas, Brazil, May 2021}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-IPAC2021-WEPAB045}, url = {https://jacow.org/ipac2021/papers/WEPAB045.pdf}, language = {english} }