 
The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{khosravi:ipac2021-tupab242}
\bibitem{khosravi:ipac2021-tupab242}
   A. Khosravi, N. Khosravi, and B. Shokri,
   \textquotedblleft{The Beam-Study of the Side and On-Axis RF Cavities in S-Band 6 MeV LINACs}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
   in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 2008--2011.
   \url{doi:10.18429/JACoW-IPAC2021-TUPAB242}
% --- additional material -ISSN/ISBN--
%  ISBN: 978-3-95450-214-1, ISSN: 2673-5490