The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Gong:IPAC2016-WEPMR048} \bibitem{Gong:IPAC2016-WEPMR048} L. Gong, W. Chen, W. Kang, L.Z. Li, H.H. Lu, and Y.F. Yang, \textquotedblleft{Hall Element Relative Position and Angle Calibrations for the Cryogenic Permanent Magnet Undulator}\textquotedblright, % in \emph{Proc. IPAC2016}, pp. 2386--2388, % in \emph{Proc. IPAC2016}, Busan, Korea, Mar. 2016, paper WEPMR048, pp. 2386--2388, in \emph{Proc. 7th International Particle Accelerator Conference (IPAC'16)}, Busan, Korea, Mar. 2016, paper WEPMR048, pp. 2386--2388, % ISBN: 978-3-95450-147-2, \url{http://jacow.org/ipac2016/papers/wepmr048.pdf}, \url{doi:10.18429/JACoW-IPAC2016-WEPMR048}, 2016.