The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{liu:ipac2021-thpab151} \bibitem{liu:ipac2021-thpab151} J. Liu and H. Luo, \textquotedblleft{The Advantage of Cold Electron Source in Electron Diffraction}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 4053--4055. \url{doi:10.18429/JACoW-IPAC2021-THPAB151} % --- additional material -ISSN/ISBN-- % ISBN: 978-3-95450-214-1, ISSN: 2673-5490