The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Kashiwagi:IPAC2016-TUPOW009}
\bibitem{Kashiwagi:IPAC2016-TUPOW009}
S. Kashiwagi, T. Abe, H. Hama, F. Hinode, T. Muto, I. Nagasawa, \emph{et al.},
% S. Kashiwagi, T. Abe, H. Hama, F. Hinode, T. Muto, I. Nagasawa, K. Nanbu, H. Saito, Y. Shibasaki, K. Takahashi, and C. Tokoku,
% S. Kashiwagi \emph{et al.},
\textquotedblleft{Generation of Coherent Undulator Radiation using Extremely Short Electron Bunch at t-ACTS, Tohoku University}\textquotedblright,
% in \emph{Proc. IPAC2016}, pp. 1760--1762,
% in \emph{Proc. IPAC2016}, Busan, Korea, May 2016, paper TUPOW009, pp. 1760--1762,
in \emph{Proc. 7th Int. Particle Accelerator Conf. (IPAC'16)},
Busan, Korea, May 2016, paper TUPOW009, pp. 1760--1762,
% ISBN: 978-3-95450-147-2,
\url{http://jacow.org/ipac2016/papers/tupow009.pdf},
\url{doi:10.18429/JACoW-IPAC2016-TUPOW009}, 2016.