 
The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{hounsell:ipac2021-thpab106}
\bibitem{hounsell:ipac2021-thpab106}
   B. Hounsell, S.A. Bogacz, C. Bruni, W. Kaabi, M. Klein, B.L. Militsyn, and \emph{et al.},
%   B. Hounsell, S.A. Bogacz, C. Bruni, W. Kaabi, M. Klein, B.L. Militsyn, and C.P. Welsch,
%   B. Hounsell \emph{et al.},
   \textquotedblleft{Optimization of a High Bunch Charge ERL Injection Merger for PERLE}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
   in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 3983--3986.
   \url{doi:10.18429/JACoW-IPAC2021-THPAB106}
% --- additional material -ISSN/ISBN--
%  ISBN: 978-3-95450-214-1, ISSN: 2673-5490