 
The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{cicek:ipac2021-wepab297}
\bibitem{cicek:ipac2021-wepab297}
   E. Cicek, Z. Fang, Y. Fukui, K. Futatsukawa, T. Hirane, Y. Sato, and \emph{et al.},
%   E. Cicek, Z. Fang, Y. Fukui, K. Futatsukawa, T. Hirane, Y. Sato, and S. Shinozaki,
%   E. Cicek \emph{et al.},
   \textquotedblleft{A Recent Upgrade on Phase Drift Compensation System for a Stable Beam Injection at J-PARC Linac}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
   in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 3357--3359.
   \url{doi:10.18429/JACoW-IPAC2021-WEPAB297}
% --- additional material -ISSN/ISBN--
%  ISBN: 978-3-95450-214-1, ISSN: 2673-5490