The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Zagorodnov:NAPAC2016-TUB2CO04} \bibitem{Zagorodnov:NAPAC2016-TUB2CO04} I. Zagorodnov, G. Feng, and T. Limberg, \textquotedblleft{Corrugated Structure Insertion to Extend SASE Bandwidth Up to 3\% at the European XFEL}\textquotedblright, % in \emph{Proc. NAPAC2016}, pp. 293--295, % in \emph{Proc. NAPAC2016}, Chicago, IL, USA, Oct. 2016, paper TUB2CO04, pp. 293--295, in \emph{Proc. North American Particle Accelerator Conf. (NAPAC'16)}, Chicago, IL, USA, Oct. 2016, paper TUB2CO04, pp. 293--295, % ISBN: 978-3-95450-180-9, \url{https://jacow.org/napac2016/papers/tub2co04.pdf}, \url{https://doi.org/10.18429/JACoW-NAPAC2016-TUB2CO04}, 2017.