The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{bousonville:ipac2021-wepab045}
\bibitem{bousonville:ipac2021-wepab045}
M. Bousonville, S. Choroba, T. Grevsmühl, S. Göller, A. Hauberg, V.V. Katalev, \emph{et al.},
% M. Bousonville, S. Choroba, T. Grevsmühl, S. Göller, A. Hauberg, V.V. Katalev, K. Machau, V. Vogel, and B. Yildirim,
% M. Bousonville \emph{et al.},
\textquotedblleft{European XFEL High-Power RF System - the First 4 Years of Operation}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 2708--2710.
\url{doi:10.18429/JACoW-IPAC2021-WEPAB045}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-214-1, ISSN: 2673-5490