The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{emma:ipac2021-wepab072}
\bibitem{emma:ipac2021-wepab072}
C. Emma, J. Cryan, A.C. Fisher, R.M. Hessami, M.J. Hogan, K. Larsen, \emph{et al.},
% C. Emma, J. Cryan, A.C. Fisher, R.M. Hessami, M.J. Hogan, K. Larsen, J.P. MacArthur, A. Marinelli, P. Musumeci, R. Robles, G.R. White, and X.L. Xu,
% C. Emma \emph{et al.},
\textquotedblleft{PAX: A Plasma-Driven Attosecond X-Ray Source}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 2755--2758.
\url{doi:10.18429/JACoW-IPAC2021-WEPAB072}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-214-1, ISSN: 2673-5490