The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{dai:srf2019-tup072} \bibitem{dai:srf2019-tup072} J. Dai, P. He, Z.Q. Li, Y. Ma, F.Y. Yang, and P. Zhang, \textquotedblleft{The Development of Niobium Sputtering on Copper Cavities at IHEP}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. SRF'19}, Dresden, Germany, Jun.-Jul. 2019, pp. 613--615. \url{doi:10.18429/JACoW-SRF2019-TUP072} % --- additional material -ISSN/ISBN-- % ISBN: 978-3-95450-211-0, ISSN: ""