The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Schneidmiller:FEL2017-MOBA01} \bibitem{Schneidmiller:FEL2017-MOBA01} E. Schneidmiller, \textquotedblleft{Energy Chirp and Undulator Taper in FELs}\textquotedblright, presented at FEL2017, Santa Fe, NM, USA, Aug. 2017, paper MOBA01, unpublished. % presented at the 38th Int. Free Electron Laser Conf. (FEL'17), Santa Fe, NM, USA, Aug. 2017, paper MOBA01, unpublished.