The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{gethmann:ipac2021-wepab135}
\bibitem{gethmann:ipac2021-wepab135}
J. Gethmann, D. Astapovych, S. Casalbuoni, H. De Gersem, E. Gjonaj, N. Glamann, \emph{et al.},
% J. Gethmann, D. Astapovych, S. Casalbuoni, H. De Gersem, E. Gjonaj, N. Glamann, A.W. Grau, A.-S. Müller, and D. Saez de Jauregui,
% J. Gethmann \emph{et al.},
\textquotedblleft{Progress of the Development of a Superconducting Undulator as a THz Source for FELs}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 2933--2935.
\url{doi:10.18429/JACoW-IPAC2021-WEPAB135}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-214-1, ISSN: 2673-5490