The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Kinjo:IPAC2017-TUPAB053} \bibitem{Kinjo:IPAC2017-TUPAB053} R. Kinjo, A. Kagamihata, and T. Tanaka, \textquotedblleft{Proof-of-Principle Experiment of Phase-Combined Undulator}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 1446--1448, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper TUPAB053, pp. 1446--1448, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper TUPAB053, pp. 1446--1448, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/tupab053.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-TUPAB053}, 2017.