The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{He:IPAC2017-WEZB2}
\bibitem{He:IPAC2017-WEZB2}
F.S. He,
\textquotedblleft{Development and Testing of Spoke Cavities}\textquotedblright,
% presented at IPAC2017, Copenhagen, Denmark, May 2017, paper WEZB2, unpublished.
presented at the 8th Int. Particle Accelerator Conf. (IPAC'17), Copenhagen, Denmark, May 2017, paper WEZB2, unpublished.