The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Hotei:IPAC2017-MOPVA021} \bibitem{Hotei:IPAC2017-MOPVA021} T. Hotei, R. Kato, T. Miyajima, N. Nakamura, and M. Shimada, \textquotedblleft{Optics Design of the Compact ERL Injector for 60 pC Bunch Charge Operation}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 898--901, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper MOPVA021, pp. 898--901, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper MOPVA021, pp. 898--901, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/mopva021.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-MOPVA021}, 2017.