The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Webb:FEL2017-WEP078} \bibitem{Webb:FEL2017-WEP078} S.D. Webb, \textquotedblleft{Period-Averaged Symplectic Maps for the FEL Hamiltonian}\textquotedblright, in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP078}, 2018. % in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP078}, pp. 563--565. % in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper WEP078, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP078} % in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)}, % Santa Fe, NM, USA, Aug. 2017, paper WEP078, pp. 563--565, % ISBN: 978-3-95450-179-3, % \url{http://jacow.org/fel2017/papers/wep078.pdf}, % \url{https://doi.org/10.18429/JACoW-FEL2017-WEP078}, 2018.