The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Zen:FEL2017-WEP014}
\bibitem{Zen:FEL2017-WEP014}
H. Zen, T. Kii, K. Masuda, T. Nakajima, and H. Ohgaki,
\textquotedblleft{Pulse Duration Measurement of Pico-second DUV Photocathode Driving Laser by Autocorrelation Technique Using Two-Photon Absorption in Bulk Material}\textquotedblright,
in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP014}, 2018.
% in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP014}, pp. 447--449.
% in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper WEP014, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP014}
% in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)},
% Santa Fe, NM, USA, Aug. 2017, paper WEP014, pp. 447--449,
% ISBN: 978-3-95450-179-3,
% \url{http://jacow.org/fel2017/papers/wep014.pdf},
% \url{https://doi.org/10.18429/JACoW-FEL2017-WEP014}, 2018.