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, Mar. 2016, paper THPOW045, pp. 4044--4046, in \emph{Proc. 7th International Particle Accelerator Conference (IPAC'16)}, Busan, Korea, Mar. 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.