The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Nii:LINAC2016-MOPLR039} \bibitem{Nii:LINAC2016-MOPLR039} K.N. Nii, V. Chouhan, H. Hayano, Y.I. Ida, K. Ishimi, S. Kato, \emph{et al.}, % K.N. Nii, V. Chouhan, H. Hayano, Y.I. Ida, K. Ishimi, S. Kato, H. Monjushiro, T. Saeki, M. Sawabe, and T.Y. Yamaguchi, % K.N. Nii \emph{et al.}, \textquotedblleft{Development of New Type "{}Ninja"{} Cathode for Nb 9-cell Cavity and Experiment of Vertical Electro-Polishing}\textquotedblright, % in \emph{Proc. LINAC2016}, pp. 223--225, % in \emph{Proc. LINAC2016}, East Lansing, MI, USA, Sep. 2016, paper MOPLR039, pp. 223--225, in \emph{Proc. 28th Linear Accelerator Conf. (LINAC'16)}, East Lansing, MI, USA, Sep. 2016, paper MOPLR039, pp. 223--225, % ISBN: 978-3-95450-169-4, \url{http://jacow.org/linac2016/papers/moplr039.pdf}, \url{https://doi.org/10.18429/JACoW-LINAC2016-MOPLR039}, 2017.