The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Strelnikov:NAPAC2016-WEPOB23} \bibitem{Strelnikov:NAPAC2016-WEPOB23} N.O. Strelnikov, E. Gluskin, I. Vasserman, and J.Z. Xu, \textquotedblleft{Performance of the Full-Length Vertical Polarizing Undulator Prototype for LCLS-II}\textquotedblright, % in \emph{Proc. NAPAC2016}, pp. 946--949, % in \emph{Proc. NAPAC2016}, Chicago, IL, USA, Oct. 2016, paper WEPOB23, pp. 946--949, in \emph{Proc. North American Particle Accelerator Conf. (NAPAC'16)}, Chicago, IL, USA, Oct. 2016, paper WEPOB23, pp. 946--949, % ISBN: 978-3-95450-180-9, \url{https://jacow.org/napac2016/papers/wepob23.pdf}, \url{https://doi.org/10.18429/JACoW-NAPAC2016-WEPOB23}, 2017.