The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{knill:ipac2021-wepab099}
\bibitem{knill:ipac2021-wepab099}
C.J. Knill, S.S. Karkare, and H.A. Padmore,
\textquotedblleft{Near-Threshold Nonlinear Photoemission From Cu(100)}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 2822--2825.
\url{doi:10.18429/JACoW-IPAC2021-WEPAB099}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-214-1, ISSN: 2673-5490