The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{tanaka:ipac2021-frxb07} \bibitem{tanaka:ipac2021-frxb07} O.A. Tanaka, N. Higashi, and T. Miyajima, \textquotedblleft{Injector Optimization for the IR-FEL Operation at the Compact ERL at KEK}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 4531--4534. \url{doi:10.18429/JACoW-IPAC2021-FRXB07} % --- additional material -ISSN/ISBN-- % ISBN: 978-3-95450-214-1, ISSN: 2673-5490