 
The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{nissen:ipac2021-thpab025}
\bibitem{nissen:ipac2021-thpab025}
   E.A. Nissen, J.R. Delayen, and G.A. Krafft,
   \textquotedblleft{A Proposed Beam-Beam Test Facility COMBINE}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
   in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 3802--3804.
   \url{doi:10.18429/JACoW-IPAC2021-THPAB025}
% --- additional material -ISSN/ISBN--
%  ISBN: 978-3-95450-214-1, ISSN: 2673-5490