The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{qian:fel2019-wea01}
\bibitem{qian:fel2019-wea01}
H.J. Qian and E. Vogel,
\textquotedblleft{Overview of CW RF Guns for Short Wavelength FELs}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. FEL'19}, Hamburg, Germany, Aug. 2019, pp. 290--296.
\url{doi:10.18429/JACoW-FEL2019-WEA01}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-210-3, ISSN: ""