The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Trakhtenberg:NAPAC2016-THPOA69} \bibitem{Trakhtenberg:NAPAC2016-THPOA69} E. Trakhtenberg, Y. Ivanyushenkov, and M. Kasa, \textquotedblleft{Evolution of the Design of the Magnet Structure for the APS Planar Superconducting Undulators}\textquotedblright, % in \emph{Proc. NAPAC2016}, pp. 1245--1247, % in \emph{Proc. NAPAC2016}, Chicago, IL, USA, Oct. 2016, paper THPOA69, pp. 1245--1247, in \emph{Proc. North American Particle Accelerator Conf. (NAPAC'16)}, Chicago, IL, USA, Oct. 2016, paper THPOA69, pp. 1245--1247, % ISBN: 978-3-95450-180-9, \url{https://jacow.org/napac2016/papers/thpoa69.pdf}, \url{https://doi.org/10.18429/JACoW-NAPAC2016-THPOA69}, 2017.