The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Kuriki:IPAC2017-TUPAB050} \bibitem{Kuriki:IPAC2017-TUPAB050} M. Kuriki, L. Guo, K. Negishi, Y. Seimiya, M. Urano, and A. Yokota, \textquotedblleft{A Lifetime Study of CsK2Sb Multi-Alkali Cathode}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 1440--1442, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper TUPAB050, pp. 1440--1442, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper TUPAB050, pp. 1440--1442, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/tupab050.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-TUPAB050}, 2017.