The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{wang:erl2019-frcoybs03}
\bibitem{wang:erl2019-frcoybs03}
E. Wang and L. Cultrera,
\textquotedblleft{Working Group Summary: Electron Sources and Injectors}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at ERL'19, Berlin, Germany, Sep. 2019, paper FRCOYBS03, unpublished.