The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Chu:SRF2017-TUPB039}
\bibitem{Chu:SRF2017-TUPB039}
Q.W. Chu, H. Guo, Y. He, L. Li, P.R. Xiong, Z.M. You, and \emph{et al.},
% Q.W. Chu, H. Guo, Y. He, L. Li, P.R. Xiong, Z.M. You, and S.H. Zhang,
% Q.W. Chu \emph{et al.},
\textquotedblleft{Electropolishing of Niobium from Deep Eutectic Solvents Based on Choline Chloride}\textquotedblright,
in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB039}, 2018.
% in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB039}, pp. 475--477.
% in \emph{Proc. SRF2017}, Lanzhou, China, July 2017, paper TUPB039, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB039}
% in \emph{Proc. 18th Int. Conf. on RF Superconductivity (SRF'17)},
% Lanzhou, China, July 2017, paper TUPB039, pp. 475--477,
% ISBN: 978-3-95450-191-5,
% \url{http://jacow.org/srf2017/papers/tupb039.pdf},
% \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB039}, 2018.