The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Kim:IPAC2016-THPOW045}
\bibitem{Kim:IPAC2016-THPOW045}
D.E. Kim, Y.-G. Jung, H.-S. Kang, I.S. Ko, H.-G. Lee, S.B. Lee, \emph{et al.},
% D.E. Kim, Y.-G. Jung, H.-S. Kang, I.S. Ko, H.-G. Lee, S.B. Lee, W.W. Lee, B.G. Oh, K.-H. Park, J. Pflüger, and H.S. Suh,
% D.E. Kim \emph{et al.},
\textquotedblleft{Development of PAL-XFEL Undulator System}\textquotedblright,
% in \emph{Proc. IPAC2016}, pp. 4044--4046,
% in \emph{Proc. IPAC2016}, Busan, Korea, May 2016, paper THPOW045, pp. 4044--4046,
in \emph{Proc. 7th Int. Particle Accelerator Conf. (IPAC'16)},
Busan, Korea, May 2016, paper THPOW045, pp. 4044--4046,
% ISBN: 978-3-95450-147-2,
\url{http://jacow.org/ipac2016/papers/thpow045.pdf},
\url{doi:10.18429/JACoW-IPAC2016-THPOW045}, 2016.