 
The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{toby:ipac2021-mopab335}
\bibitem{toby:ipac2021-mopab335}
   G.D. Toby, Y.W. Kang, S.-H. Kim, S.W. Lee, and J.S. Moss,
   \textquotedblleft{SNS Warm Linac Circulator Breakdown Considerations for the PPU Project}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
   in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 1041--1043.
   \url{doi:10.18429/JACoW-IPAC2021-MOPAB335}
% --- additional material -ISSN/ISBN--
%  ISBN: 978-3-95450-214-1, ISSN: 2673-5490