The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Schneidmiller:FEL2017-MOP031}
\bibitem{Schneidmiller:FEL2017-MOP031}
E. Schneidmiller, B. Faatz, M. Kuhlmann, J. Rönsch-Schulenburg, S. Schreiber, M. Tischer, and \emph{et al.},
% E. Schneidmiller, B. Faatz, M. Kuhlmann, J. Rönsch-Schulenburg, S. Schreiber, M. Tischer, and M.V. Yurkov,
% E. Schneidmiller \emph{et al.},
\textquotedblleft{First Operation of a Harmonic Lasing Self-Seeded FEL}\textquotedblright,
in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-MOP031}, 2018.
% in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-MOP031}, pp. 102--105.
% in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper MOP031, \url{https://doi.org/10.18429/JACoW-FEL2017-MOP031}
% in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)},
% Santa Fe, NM, USA, Aug. 2017, paper MOP031, pp. 102--105,
% ISBN: 978-3-95450-179-3,
% \url{http://jacow.org/fel2017/papers/mop031.pdf},
% \url{https://doi.org/10.18429/JACoW-FEL2017-MOP031}, 2018.