The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Nii:SRF2017-TUPB093}
\bibitem{Nii:SRF2017-TUPB093}
K.N. Nii, P. Carbonnier, V. Chouhan, Y. Gasser, H. Hayano, Y.I. Ida, \emph{et al.},
% K.N. Nii, P. Carbonnier, V. Chouhan, Y. Gasser, H. Hayano, Y.I. Ida, S. Kato, L. Maurice, H. Monjushiro, Th. Proslier, T. Saeki, M. Sawabe, C. Servouin, T.Y. Yamaguchi, and F. Éozénou,
% K.N. Nii \emph{et al.},
\textquotedblleft{Nb Single-cell Cavity Vertical Electro-polishing with Ninja Cathode and Evaluation of its Accelerating Gradient}\textquotedblright,
in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB093}, 2018.
% in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB093}, pp. 612--615.
% in \emph{Proc. SRF2017}, Lanzhou, China, July 2017, paper TUPB093, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB093}
% in \emph{Proc. 18th Int. Conf. on RF Superconductivity (SRF'17)},
% Lanzhou, China, July 2017, paper TUPB093, pp. 612--615,
% ISBN: 978-3-95450-191-5,
% \url{http://jacow.org/srf2017/papers/tupb093.pdf},
% \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB093}, 2018.