The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{sumitomo:ipac2021-tupab116}
\bibitem{sumitomo:ipac2021-tupab116}
Y. Sumitomo, K. Hayakawa, Y. Hayakawa, K. Nogami, T. Sakai, and T. Tanaka,
\textquotedblleft{Toward THz Coherent Undulator Radiation Experiment with a Combination of Velocity Bunchings}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 1663--1665.
\url{doi:10.18429/JACoW-IPAC2021-TUPAB116}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-214-1, ISSN: 2673-5490