The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Liu:NAPAC2016-WEPOB69} \bibitem{Liu:NAPAC2016-WEPOB69} C. Liu, \textquotedblleft{Impedance Simulation for LEReC Booster Cavity Transformed from ERL Gun Cavity}\textquotedblright, % in \emph{Proc. NAPAC2016}, pp. 1048--1050, % in \emph{Proc. NAPAC2016}, Chicago, IL, USA, Oct. 2016, paper WEPOB69, pp. 1048--1050, in \emph{Proc. North American Particle Accelerator Conf. (NAPAC'16)}, Chicago, IL, USA, Oct. 2016, paper WEPOB69, pp. 1048--1050, % ISBN: 978-3-95450-180-9, \url{https://jacow.org/napac2016/papers/wepob69.pdf}, \url{https://doi.org/10.18429/JACoW-NAPAC2016-WEPOB69}, 2017.