The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Togawa:IPAC2017-TUOAA2} \bibitem{Togawa:IPAC2017-TUOAA2} K. Togawa, T. Asaka, N. Azumi, T. Bizen, T. Fukui, T. Hara, \emph{et al.}, % K. Togawa, T. Asaka, N. Azumi, T. Bizen, T. Fukui, T. Hara, T. Hasegawa, N. Hosoda, T. Inagaki, T. Ishikawa, H. Kimura, R. Kinjo, C. Kondo, H. Maesaka, S. Matsubara, S. Matsui, K. Nakajima, T. Ohshima, Y. Otake, S. Owada, T. Sakurai, H. Tanaka, T. Tanaka, T. Togashi, K. Tono, and M. Yabashi, % K. Togawa \emph{et al.}, \textquotedblleft{A Soft X-Ray Free-Electron Laser Beamline of SACLA}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 1209--1212, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper TUOAA2, pp. 1209--1212, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper TUOAA2, pp. 1209--1212, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/tuoaa2.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-TUOAA2}, 2017.