The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{saito:fel2019-tup014}
\bibitem{saito:fel2019-tup014}
H. Saito, H. Hama, S. Kashiwagi, N.M. Morita, T. Muto, K. Nanbu, and \emph{et al.},
% H. Saito, H. Hama, S. Kashiwagi, N.M. Morita, T. Muto, K. Nanbu, and H. Yamada,
% H. Saito \emph{et al.},
\textquotedblleft{Crossed-Undulator Configuration for Variable Polarized THz Source}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. FEL'19}, Hamburg, Germany, Aug. 2019, pp. 69--72.
\url{doi:10.18429/JACoW-FEL2019-TUP014}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-210-3, ISSN: ""