The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Li:SAP2017-MOPH02} \bibitem{Li:SAP2017-MOPH02} M. Li, S. An, T. Cui, T. Ge, J.C. Qin, C. Wang, \emph{et al.}, % M. Li, S. An, T. Cui, T. Ge, J.C. Qin, C. Wang, S.M. Wei, D.S. Zhang, and T.J. Zhang, % M. Li \emph{et al.}, \textquotedblleft{Beam Extraction Design for a 230 MeV Superconducting Cyclotron}\textquotedblright, in \emph{Proc. SAP2017}, \url{https://doi.org/10.18429/JACoW-SAP2017-MOPH02}, 2018. % in \emph{Proc. SAP2017}, \url{https://doi.org/10.18429/JACoW-SAP2017-MOPH02}, pp. 28--30. % in \emph{Proc. SAP2017}, Jishou, China, Aug. 2017, paper MOPH02, \url{https://doi.org/10.18429/JACoW-SAP2017-MOPH02} % in \emph{Proc. 13th Symposium on Accelerator Physics (SAP'17)}, % Jishou, China, Aug. 2017, paper MOPH02, pp. 28--30, % ISBN: 978-3-95450-199-1, % \url{http://jacow.org/sap2017/papers/moph02.pdf}, % \url{https://doi.org/10.18429/JACoW-SAP2017-MOPH02}, 2018.