The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Li:ICALEPCS2017-TUPHA086}
\bibitem{Li:ICALEPCS2017-TUPHA086}
C. Li, J.L. Li, W. Li, G. Liu, J.G. Wang, L. Wang, \emph{et al.},
% C. Li, J.L. Li, W. Li, G. Liu, J.G. Wang, L. Wang, W. Xu, and K. Xuan,
% C. Li \emph{et al.},
\textquotedblleft{Timing System Upgrade for Top-off Operation of HLS-II}\textquotedblright,
in \emph{Proc. ICALEPCS2017}, \url{https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA086}, 2018.
% in \emph{Proc. ICALEPCS2017}, \url{https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA086}, pp. 612--614.
% in \emph{Proc. ICALEPCS2017}, Barcelona, Spain, Oct. 2017, paper TUPHA086, \url{https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA086}
% in \emph{Proc. 16th Int. Conf. on Accelerator and Large Experimental Control Systems (ICALEPCS'17)},
% Barcelona, Spain, Oct. 2017, paper TUPHA086, pp. 612--614,
% ISBN: 978-3-95450-193-9,
% \url{http://jacow.org/icalepcs2017/papers/tupha086.pdf},
% \url{https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA086}, 2018.