The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Hellert:FEL2017-TUP002}
\bibitem{Hellert:FEL2017-TUP002}
T. Hellert, B. Beutner, W. Decking, and N. Walker,
\textquotedblleft{Numerical Studies on RF-Induced Trajectory Variations at the European XFEL}\textquotedblright,
in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-TUP002}, 2018.
% in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-TUP002}, pp. 251--254.
% in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper TUP002, \url{https://doi.org/10.18429/JACoW-FEL2017-TUP002}
% in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)},
% Santa Fe, NM, USA, Aug. 2017, paper TUP002, pp. 251--254,
% ISBN: 978-3-95450-179-3,
% \url{http://jacow.org/fel2017/papers/tup002.pdf},
% \url{https://doi.org/10.18429/JACoW-FEL2017-TUP002}, 2018.