The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Zhou:FEL2017-WEP056} \bibitem{Zhou:FEL2017-WEP056} G. Zhou, J.Q. Wang, and J. Wu, \textquotedblleft{Effect of Beam Transverse Angle Deflection in TGU on FEL Power}\textquotedblright, in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP056}, 2018. % in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP056}, pp. 529--531. % in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper WEP056, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP056} % in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)}, % Santa Fe, NM, USA, Aug. 2017, paper WEP056, pp. 529--531, % ISBN: 978-3-95450-179-3, % \url{http://jacow.org/fel2017/papers/wep056.pdf}, % \url{https://doi.org/10.18429/JACoW-FEL2017-WEP056}, 2018.