The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Sun:ECRIS2016-TUAO04}
\bibitem{Sun:ECRIS2016-TUAO04}
L.T. Sun, X. Fang, Y.C. Feng, J.W. Guo, H.Y. Ma, L.Z. Ma, \emph{et al.},
% L.T. Sun, X. Fang, Y.C. Feng, J.W. Guo, H.Y. Ma, L.Z. Ma, Y.M. Ma, Z. Shen, W. Wu, T. Yang, Y. Yang, W.H. Zhang, X.Z. Zhang, B. Zhao, and H.W. Zhao,
% L.T. Sun \emph{et al.},
\textquotedblleft{SECRAL II Ion Source Development and the First Commissioning at 28 GHz}\textquotedblright,
% in \emph{Proc. ECRIS2016}, pp. 43--47,
% in \emph{Proc. ECRIS2016}, Busan, Korea, Aug. -, paper TUAO04, pp. 43--47,
in \emph{Proc. 22nd Int. Workshop on ECR Ion Sources (ECRIS'16)},
Busan, Korea, Aug. -, paper TUAO04, pp. 43--47,
% ISBN: 978-3-95450-186-1,
\url{http://jacow.org/ecris2016/papers/tuao04.pdf},
\url{https://doi.org/10.18429/JACoW-ECRIS2016-TUAO04}, 2016.