The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Wang:NAPAC2016-WEPOB67} \bibitem{Wang:NAPAC2016-WEPOB67} E. Wang, Y. Hao, Y.C. Jing, V. Litvinenko, I. Pinayev, T. Rao, \emph{et al.}, % E. Wang, Y. Hao, Y.C. Jing, V. Litvinenko, I. Pinayev, T. Rao, J. Skaritka, G. Wang, and T. Xin, % E. Wang \emph{et al.}, \textquotedblleft{K2CsSb Photocathode Performance in QWR SRF Gun}\textquotedblright, % in \emph{Proc. NAPAC2016}, pp. 1042--1044, % in \emph{Proc. NAPAC2016}, Chicago, IL, USA, Oct. 2016, paper WEPOB67, pp. 1042--1044, in \emph{Proc. North American Particle Accelerator Conf. (NAPAC'16)}, Chicago, IL, USA, Oct. 2016, paper WEPOB67, pp. 1042--1044, % ISBN: 978-3-95450-180-9, \url{https://jacow.org/napac2016/papers/wepob67.pdf}, \url{https://doi.org/10.18429/JACoW-NAPAC2016-WEPOB67}, 2017.