The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Zeng:FEL2017-MOP014} \bibitem{Zeng:FEL2017-MOP014} L. Zeng, Y. Ding, S. Huang, Z. Huang, K.X. Liu, W. Qin, and \emph{et al.}, % L. Zeng, Y. Ding, S. Huang, Z. Huang, K.X. Liu, W. Qin, and G. Zhao, % L. Zeng \emph{et al.}, \textquotedblleft{Harmonic Lasing Towards Shorter Wavelengths in Soft X-Ray Self-Seeding FELs}\textquotedblright, in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-MOP014}, 2018. % in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-MOP014}, pp. 57--59. % in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper MOP014, \url{https://doi.org/10.18429/JACoW-FEL2017-MOP014} % in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)}, % Santa Fe, NM, USA, Aug. 2017, paper MOP014, pp. 57--59, % ISBN: 978-3-95450-179-3, % \url{http://jacow.org/fel2017/papers/mop014.pdf}, % \url{https://doi.org/10.18429/JACoW-FEL2017-MOP014}, 2018.