The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Zhai:SRF2017-TUXAA01}
\bibitem{Zhai:SRF2017-TUXAA01}
J.Y. Zhai, Y.L. Chi, J. Dai, J. Gao, R. Ge, D.J. Gong, \emph{et al.},
% J.Y. Zhai, Y.L. Chi, J. Dai, J. Gao, R. Ge, D.J. Gong, R. Han, T.M. Huang, S. Jin, Z.Q. Li, B. Liu, Z.C. Liu, Q. Ma, F. Meng, Z.H. Mi, C. Pagani, G. Pei, Q. Qin, P. Sha, Q.Y. Wang, T.X. Zhao, and H.J. Zheng,
% J.Y. Zhai \emph{et al.},
\textquotedblleft{CEPC SRF System Design and Challenges}\textquotedblright,
in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-TUXAA01}, 2018.
% in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-TUXAA01}, pp. 332--337.
% in \emph{Proc. SRF2017}, Lanzhou, China, July 2017, paper TUXAA01, \url{https://doi.org/10.18429/JACoW-SRF2017-TUXAA01}
% in \emph{Proc. 18th Int. Conf. on RF Superconductivity (SRF'17)},
% Lanzhou, China, July 2017, paper TUXAA01, pp. 332--337,
% ISBN: 978-3-95450-191-5,
% \url{http://jacow.org/srf2017/papers/tuxaa01.pdf},
% \url{https://doi.org/10.18429/JACoW-SRF2017-TUXAA01}, 2018.