The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Xiang:IPAC2016-THPOW003} \bibitem{Xiang:IPAC2016-THPOW003} R. Xiang, A. Arnold, P.N. Lu, P. Michel, P. Murcek, J. Teichert, and \emph{et al.}, % R. Xiang, A. Arnold, P.N. Lu, P. Michel, P. Murcek, J. Teichert, and H. Vennekate, % R. Xiang \emph{et al.}, \textquotedblleft{Highlights on Metallic Photocathodes Used in SRF Gun}\textquotedblright, % in \emph{Proc. IPAC2016}, pp. 3928--3930, % in \emph{Proc. IPAC2016}, Busan, Korea, Mar. 2016, paper THPOW003, pp. 3928--3930, in \emph{Proc. 7th International Particle Accelerator Conference (IPAC'16)}, Busan, Korea, Mar. 2016, paper THPOW003, pp. 3928--3930, % ISBN: 978-3-95450-147-2, \url{http://jacow.org/ipac2016/papers/thpow003.pdf}, \url{doi:10.18429/JACoW-IPAC2016-THPOW003}, 2016.