The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Pop:IPAC2017-WEPAB074} \bibitem{Pop:IPAC2017-WEPAB074} M.A. Pop, F. Curbis, and S. Werin, \textquotedblleft{On the Coherence Properties of FEL}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 2753--2755, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper WEPAB074, pp. 2753--2755, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper WEPAB074, pp. 2753--2755, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/wepab074.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-WEPAB074}, 2017.