The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{He:IPAC2017-WEXA1} \bibitem{He:IPAC2017-WEXA1} Y. He, \textquotedblleft{High Intensity RFQs: Review on Recent Developments, Common Problems, Solutions}\textquotedblright, % presented at IPAC2017, Copenhagen, Denmark, May 2017, paper WEXA1, unpublished. presented at the 8th Int. Particle Accelerator Conf. (IPAC'17), Copenhagen, Denmark, May 2017, paper WEXA1, unpublished.