The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Lu:IPAC2017-TUPAB064} \bibitem{Lu:IPAC2017-TUPAB064} H.H. Lu, W. Chen, L. Gong, L.Z. Li, X.Y. Li, S.C. Sun, \emph{et al.}, % H.H. Lu, W. Chen, L. Gong, L.Z. Li, X.Y. Li, S.C. Sun, Y.J. Sun, Y.F. Yang, L. Zhang, X.Z. Zhang, and S.T. Zhao, % H.H. Lu \emph{et al.}, \textquotedblleft{Development of a PrFeB Cryogenic Permanent Magnet Undulator (CPMU) Prototype at IHEP}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 1469--1471, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper TUPAB064, pp. 1469--1471, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper TUPAB064, pp. 1469--1471, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/tupab064.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-TUPAB064}, 2017.