The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Park:IPAC2016-MOPMY027}
\bibitem{Park:IPAC2016-MOPMY027}
S.J. Park, M.-H. Cho, J.Y. Choi, J.H. Hwang, Y.D. Joo, K.R. Kim, \emph{et al.},
% S.J. Park, M.-H. Cho, J.Y. Choi, J.H. Hwang, Y.D. Joo, K.R. Kim, W. Namkung, C.D. Park, and T. Seong,
% S.J. Park \emph{et al.},
\textquotedblleft{Preliminary Design of High-efficiency Klystron for Pohang Accelerator Laboratory (PAL)}\textquotedblright,
% in \emph{Proc. IPAC2016}, pp. 557--559,
% in \emph{Proc. IPAC2016}, Busan, Korea, May 2016, paper MOPMY027, pp. 557--559,
in \emph{Proc. 7th Int. Particle Accelerator Conf. (IPAC'16)},
Busan, Korea, May 2016, paper MOPMY027, pp. 557--559,
% ISBN: 978-3-95450-147-2,
\url{http://jacow.org/ipac2016/papers/mopmy027.pdf},
\url{doi:10.18429/JACoW-IPAC2016-MOPMY027}, 2016.