The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Wen:IPAC2017-TUPIK104} \bibitem{Wen:IPAC2017-TUPIK104} Y.H. Wen, C.H. Chen, N.Y. Huang, W.K. Lau, and A.P. Lee, \textquotedblleft{Effects of Non-axisymmetric Solenoid Field on Beam Quality in Velocity Bunching}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 1958--1960, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper TUPIK104, pp. 1958--1960, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper TUPIK104, pp. 1958--1960, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/tupik104.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-TUPIK104}, 2017.