The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{li:ipac2020-movir07}
\bibitem{li:ipac2020-movir07}
S. Li,
\textquotedblleft{Review of Attosecond Free Electron Lasers}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at IPAC'20, Caen, France, May 2020, paper MOVIR07, unpublished.