The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Qin:IPAC2016-WEPOY019}
\bibitem{Qin:IPAC2016-WEPOY019}
W. Qin, K.L.F. Bane, Y. Ding, S. Huang, Z. Huang, K.-J. Kim, \emph{et al.},
% W. Qin, K.L.F. Bane, Y. Ding, S. Huang, Z. Huang, K.-J. Kim, R.R. Lindberg, K.X. Liu, and T.J. Maxwell,
% W. Qin \emph{et al.},
\textquotedblleft{Beam Optimization Study for an X-ray FEL Oscillator at the LCLS-II}\textquotedblright,
% in \emph{Proc. IPAC2016}, pp. 3020--3023,
% in \emph{Proc. IPAC2016}, Busan, Korea, May 2016, paper WEPOY019, pp. 3020--3023,
in \emph{Proc. 7th Int. Particle Accelerator Conf. (IPAC'16)},
Busan, Korea, May 2016, paper WEPOY019, pp. 3020--3023,
% ISBN: 978-3-95450-147-2,
\url{http://jacow.org/ipac2016/papers/wepoy019.pdf},
\url{doi:10.18429/JACoW-IPAC2016-WEPOY019}, 2016.