The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Zhang:IPAC2017-TUPAB086} \bibitem{Zhang:IPAC2017-TUPAB086} Q. Zhang, K. Fan, T. Hu, K.F. Liu, and Z.Y. Mei, \textquotedblleft{Design Study of a High-Intensity, Low-Energy Electron Gun}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 1517--1519, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper TUPAB086, pp. 1517--1519, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper TUPAB086, pp. 1517--1519, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/tupab086.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-TUPAB086}, 2017.