The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Krainara:FEL2017-MOP049}
\bibitem{Krainara:FEL2017-MOP049}
S. Krainara, T. Kii, H. Ohgaki, S. Suphakul, and H. Zen,
\textquotedblleft{Development of Compact THz Coherent Undulator Radiation Source at Kyoto University}\textquotedblright,
in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-MOP049}, 2018.
% in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-MOP049}, pp. 158--161.
% in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper MOP049, \url{https://doi.org/10.18429/JACoW-FEL2017-MOP049}
% in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)},
% Santa Fe, NM, USA, Aug. 2017, paper MOP049, pp. 158--161,
% ISBN: 978-3-95450-179-3,
% \url{http://jacow.org/fel2017/papers/mop049.pdf},
% \url{https://doi.org/10.18429/JACoW-FEL2017-MOP049}, 2018.