The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{steffen:fel2019-wep015}
\bibitem{steffen:fel2019-wep015}
B. Steffen, S. Bielawski, M.K. Czwalinna, C. Evain, C. Gerth, E. Roussel, and \emph{et al.},
% B. Steffen, S. Bielawski, M.K. Czwalinna, C. Evain, C. Gerth, E. Roussel, and C. Szwaj,
% B. Steffen \emph{et al.},
\textquotedblleft{Electro-Optical Bunch Length Detection at the European XFEL}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. FEL'19}, Hamburg, Germany, Aug. 2019, pp. 360--363.
\url{doi:10.18429/JACoW-FEL2019-WEP015}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-210-3, ISSN: ""