[n] G. J. Waldschmidt et al., “High-Power Prototype Canon Coupler for APS-U Booster Cavities”, in Proc. IPAC'21, Campinas, Brazil, May 2021, pp. 3956-3958. doi:10.18429/JACoW-IPAC2021-THPAB081
%\cite{Waldschmidt:IPAC21-THPAB081} \bibitem{Waldschmidt:IPAC21-THPAB081} G. J. Waldschmidt \emph{et al.}, \textquotedblleft{High-Power Prototype Canon Coupler for APS-U Booster Cavities}\textquotedblright, in \emph{Proc. IPAC’21}, Campinas, Brazil, May 2021, pp. 3956--3958. \url{doi:10.18429/JACoW-IPAC2021-THPAB081}
@inproceedings{waldschmidt:ipac21-thpab081, author = {G. J. Waldschmidt and others}, title = {{High-Power Prototype Canon Coupler for APS-U Booster Cavities}}, booktitle = {Proc. IPAC'21}, pages = {3956--3958}, paper = {THPAB081}, venue = {Campinas, Brazil, May 2021}, publisher = {JACoW Publishing, Geneva, Switzerland}, doi = {10.18429/JACoW-IPAC2021-THPAB081}, url = {https://jacow.org/ipac2021/papers/THPAB081.pdf}, language = {english} }