The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{serkez:fel2019-tup062} \bibitem{serkez:fel2019-tup062} S. Serkez, W. Decking, L. Fröhlich, G. Geloni, N. Gerasimova, J. Grünert, \emph{et al.}, % S. Serkez, W. Decking, L. Fröhlich, G. Geloni, N. Gerasimova, J. Grünert, M. Huttula, S. Karabekyan, A. Koch, V. Kocharyan, Y.A. Kot, E. Kukk, J. Laksman, Th. Maltezopoulos, T. Mazza, M. Meyer, E. Saldin, E. Schneidmiller, M. Scholz, S. Tomin, M.V. Yurkov, and I. Zagorodnov, % S. Serkez \emph{et al.}, \textquotedblleft{Two Colors at the SASE3 Line of the European XFEL: Project Scope and First Measurements}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. FEL'19}, Hamburg, Germany, Aug. 2019, pp. 195--198. \url{doi:10.18429/JACoW-FEL2019-TUP062} % --- additional material -ISSN/ISBN-- % ISBN: 978-3-95450-210-3, ISSN: ""