The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Wang:IPAC2016-MOPOW028}
\bibitem{Wang:IPAC2016-MOPOW028}
Z. Wang, C. Feng, Q. Gu, and Z.T. Zhao,
\textquotedblleft{Research on Pulse Energy Fluctuation of a Cascaded High Gain Harmonic Generation Free Electron Laser}\textquotedblright,
% in \emph{Proc. IPAC2016}, pp. 781--784,
% in \emph{Proc. IPAC2016}, Busan, Korea, Mar. 2016, paper MOPOW028, pp. 781--784,
in \emph{Proc. 7th International Particle Accelerator Conference (IPAC'16)},
Busan, Korea, Mar. 2016, paper MOPOW028, pp. 781--784,
% ISBN: 978-3-95450-147-2,
\url{http://jacow.org/ipac2016/papers/mopow028.pdf},
\url{doi:10.18429/JACoW-IPAC2016-MOPOW028}, 2016.