The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{karabekyan:ipac2021-tupab122}
\bibitem{karabekyan:ipac2021-tupab122}
S.K. Karabekyan, S. Abeghyan, M. Bagha-Shanjani, A. Block, M. Brügger, M. Calvi, \emph{et al.},
% S.K. Karabekyan, S. Abeghyan, M. Bagha-Shanjani, A. Block, M. Brügger, M. Calvi, S. Casalbuoni, S. Danner, W. Decking, U. Englisch, R. Ganter, G. Geloni, N. Golubeva, J. Grünert, S. Hauf, C. Holz, L. Huber, A. Keller, D.E. Kim, K. Knebel, D. La Civita, T. Ladwig, J. Laksman, D.L. Lenz, Y. Li, D. Lipka, D. Mamchyk, R. Mattusch, N. Mildner, E. Negodin, D. Nölle, M.P. Planas, F. Preisskorn, J. Prenting, F. Saretzki, M. Schlösser, M.S. Schmidt, T. Schmidt, F. Schmidt-Föhre, E. Schneidmiller, S. Serkez, H. Sinn, D. Thoden, A. Violante, T. Wamsat, G. Wellenreuther, S. Wendt, T. Wilksen, T. Wohlenberg, M. Wuenschel, M. Yakopov, C. Youngman, and M.V. Yurkov,
% S.K. Karabekyan \emph{et al.},
\textquotedblleft{SASE3 Variable Polarization Project at the European XFEL}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 1678--1680.
\url{doi:10.18429/JACoW-IPAC2021-TUPAB122}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-214-1, ISSN: 2673-5490