The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Sakaue:FEL2017-TUP067}
\bibitem{Sakaue:FEL2017-TUP067}
K. Sakaue, M. Brameld, R. Kuroda, Y. Tadenuma, Y. Taira, J. Urakawa, \emph{et al.},
% K. Sakaue, M. Brameld, R. Kuroda, Y. Tadenuma, Y. Taira, J. Urakawa, M. Washio, and R. Yanagisawa,
% K. Sakaue \emph{et al.},
\textquotedblleft{Study on Cherenkov Laser Oscillator Using Tilted Electron Bunches}\textquotedblright,
in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-TUP067}, 2018.
% in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-TUP067}, pp. 371--373.
% in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper TUP067, \url{https://doi.org/10.18429/JACoW-FEL2017-TUP067}
% in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)},
% Santa Fe, NM, USA, Aug. 2017, paper TUP067, pp. 371--373,
% ISBN: 978-3-95450-179-3,
% \url{http://jacow.org/fel2017/papers/tup067.pdf},
% \url{https://doi.org/10.18429/JACoW-FEL2017-TUP067}, 2018.