The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Wang:NAPAC2016-MOPOB69} \bibitem{Wang:NAPAC2016-MOPOB69} H. Wang, \textquotedblleft{Wire Stretching Technique for Measuring RF Crabbing/Deflecting Cavity Electrical Center and a Demonstration Experiment on Its Accuracy}\textquotedblright, % in \emph{Proc. NAPAC2016}, pp. 225--228, % in \emph{Proc. NAPAC2016}, Chicago, IL, USA, Oct. 2016, paper MOPOB69, pp. 225--228, in \emph{Proc. North American Particle Accelerator Conf. (NAPAC'16)}, Chicago, IL, USA, Oct. 2016, paper MOPOB69, pp. 225--228, % ISBN: 978-3-95450-180-9, \url{https://jacow.org/napac2016/papers/mopob69.pdf}, \url{https://doi.org/10.18429/JACoW-NAPAC2016-MOPOB69}, 2017.