The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Xuan:IPAC2016-WEPOR003} \bibitem{Xuan:IPAC2016-WEPOR003} K. Xuan, C. Li, J.Y. Li, G. Liu, and W. Xu, \textquotedblleft{Voltage Control for the 4-Th Harmonic Cavity in Hls Storage Ring}\textquotedblright, % in \emph{Proc. IPAC2016}, pp. 2664--2666, % in \emph{Proc. IPAC2016}, Busan, Korea, May 2016, paper WEPOR003, pp. 2664--2666, in \emph{Proc. 7th Int. Particle Accelerator Conf. (IPAC'16)}, Busan, Korea, May 2016, paper WEPOR003, pp. 2664--2666, % ISBN: 978-3-95450-147-2, \url{http://jacow.org/ipac2016/papers/wepor003.pdf}, \url{doi:10.18429/JACoW-IPAC2016-WEPOR003}, 2016.