 
The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Saito:IPAC2019-TUPRB038}
\bibitem{Saito:IPAC2019-TUPRB038}
   H. Saito, H. Hama, F. Hinode, K. Kanomata, S. Kashiwagi, S. Miura, \emph{et al.},
%   H. Saito, H. Hama, F. Hinode, K. Kanomata, S. Kashiwagi, S. Miura, N.M. Morita, T. Muto, I. Nagasawa, K. Nanbu, S. Ninomiya, K. Takahashi, and H. Yamada,
%   H. Saito \emph{et al.},
   \textquotedblleft{Characteristics of Polarized Coherent Radiation in Thz Region From a Crossed-Undulator}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
   in \emph{Proc. IPAC'19}, Melbourne, Australia, May 2019, pp. 1769--1771,
   \url{doi:10.18429/JACoW-IPAC2019-TUPRB038}
% --- complete form (published paper) - JACoW template Feb 2018 ---
%  in \emph{Proc. 10th International Particle Accelerator Conference (IPAC'19)}, Melbourne, Australia, May 2019,
%  pp. 1769--1771. \url{doi:10.18429/JACoW-IPAC2019-TUPRB038}
% --- additional material ---
%  ISBN: 978-3-95450-208-0, \url{http://jacow.org/ipac2019/papers/tuprb038.pdf}