[n] A. Yu. Grebentsov et al., “Booster RF System First Beam Tests”, in Proc. RuPAC2021, Alushta, Crimea, Sep.-Oct. 2021, pp. 370-372. doi:10.18429/JACoW-RuPAC2021-WEPSC14
%\cite{Grebentsov:RuPAC2021-WEPSC14} \bibitem{Grebentsov:RuPAC2021-WEPSC14} A. Yu. Grebentsov \emph{et al.}, \textquotedblleft{Booster RF System First Beam Tests}\textquotedblright, in \emph{Proc. RuPAC2021}, Alushta, Crimea, Sep.-Oct. 2021, pp. 370--372. \url{doi:10.18429/JACoW-RuPAC2021-WEPSC14}
@inproceedings{grebentsov:rupac2021-wepsc14, author = {A. Yu. Grebentsov and others}, title = {{Booster RF System First Beam Tests}}, booktitle = {Proc. RuPAC2021}, pages = {370--372}, paper = {WEPSC14}, venue = {Alushta, Crimea}, series = {Russian Particle Accelerator Conference}, number = {27}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2021}, issn = {2673-5539}, isbn = {978-3-95-450240-0}, doi = {10.18429/JACoW-RuPAC2021-WEPSC14}, language = {english} }