The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{schneidmiller:fel2019-tup055}
\bibitem{schneidmiller:fel2019-tup055}
E. Schneidmiller, M. Braune, B. Faatz, U. Jastrow, M. Kuhlmann, A.A. Sorokin, \emph{et al.},
% E. Schneidmiller, M. Braune, B. Faatz, U. Jastrow, M. Kuhlmann, A.A. Sorokin, K.I. Tiedtke, and M.V. Yurkov,
% E. Schneidmiller \emph{et al.},
\textquotedblleft{Two-Color Operation of FLASH2 Undulator}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. FEL'19}, Hamburg, Germany, Aug. 2019, pp. 168--171.
\url{doi:10.18429/JACoW-FEL2019-TUP055}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-210-3, ISSN: ""