The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Luo:SRF2017-MOPB010} \bibitem{Luo:SRF2017-MOPB010} X. Luo, C.L. Lao, M. Li, X.Y. Lu, S.W. Quan, L.J. Shan, \emph{et al.}, % X. Luo, C.L. Lao, M. Li, X.Y. Lu, S.W. Quan, L.J. Shan, X.M. Shen, F. Wang, H. Wang, X. Yang, and K. Zhou, % X. Luo \emph{et al.}, \textquotedblleft{Design of the 2$\times$4-cell Superconducting Cryomodule for the Free-electron Laser}\textquotedblright, in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-MOPB010}, 2018. % in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-MOPB010}, pp. 67--69. % in \emph{Proc. SRF2017}, Lanzhou, China, July 2017, paper MOPB010, \url{https://doi.org/10.18429/JACoW-SRF2017-MOPB010} % in \emph{Proc. 18th Int. Conf. on RF Superconductivity (SRF'17)}, % Lanzhou, China, July 2017, paper MOPB010, pp. 67--69, % ISBN: 978-3-95450-191-5, % \url{http://jacow.org/srf2017/papers/mopb010.pdf}, % \url{https://doi.org/10.18429/JACoW-SRF2017-MOPB010}, 2018.