The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Schneidmiller:IPAC2017-WEPAB029} \bibitem{Schneidmiller:IPAC2017-WEPAB029} E. Schneidmiller, M.V. Yurkov, \textquotedblleft{Optimum Undulator Tapering of SASE FEL: From the Theory to Experiment}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 2639--2641, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper WEPAB029, pp. 2639--2641, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper WEPAB029, pp. 2639--2641, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/wepab029.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-WEPAB029}, 2017.