 
The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Xu:IPAC2019-WEPTS094}
\bibitem{Xu:IPAC2019-WEPTS094}
   T. Xu, M.E. Conde, G. Ha, M. Kuriki, P. Piot, J.G. Power, and \emph{et al.},
%   T. Xu, M.E. Conde, G. Ha, M. Kuriki, P. Piot, J.G. Power, and E.E. Wisniewski,
%   T. Xu \emph{et al.},
   \textquotedblleft{Generation High-Charge of Flat Beams at the Argonne Wakefield Accelerator}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
   in \emph{Proc. IPAC'19}, Melbourne, Australia, May 2019, pp. 3337--3340,
   \url{doi:10.18429/JACoW-IPAC2019-WEPTS094}
% --- complete form (published paper) - JACoW template Feb 2018 ---
%  in \emph{Proc. 10th International Particle Accelerator Conference (IPAC'19)}, Melbourne, Australia, May 2019,
%  pp. 3337--3340. \url{doi:10.18429/JACoW-IPAC2019-WEPTS094}
% --- additional material ---
%  ISBN: 978-3-95450-208-0, \url{http://jacow.org/ipac2019/papers/wepts094.pdf}