The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Koshiba:FEL2017-TUP066} \bibitem{Koshiba:FEL2017-TUP066} Y. Koshiba, T. Higashiguchi, S. Ota, K. Sakaue, T. Takahashi, J. Urakawa, and \emph{et al.}, % Y. Koshiba, T. Higashiguchi, S. Ota, K. Sakaue, T. Takahashi, J. Urakawa, and M. Washio, % Y. Koshiba \emph{et al.}, \textquotedblleft{Luminosity Increase in Laser-Compton Scattering by Crab Crossing}\textquotedblright, in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-TUP066}, 2018. % in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-TUP066}, pp. 368--370. % in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper TUP066, \url{https://doi.org/10.18429/JACoW-FEL2017-TUP066} % in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)}, % Santa Fe, NM, USA, Aug. 2017, paper TUP066, pp. 368--370, % ISBN: 978-3-95450-179-3, % \url{http://jacow.org/fel2017/papers/tup066.pdf}, % \url{https://doi.org/10.18429/JACoW-FEL2017-TUP066}, 2018.