The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Peng:Cyclotrons2016-THB04}
\bibitem{Peng:Cyclotrons2016-THB04}
S.X. Peng, J.E. Chen, Z.Y. Guo, H.T. Ren, J.M. Wen, W.B. Wu, \emph{et al.},
% S.X. Peng, J.E. Chen, Z.Y. Guo, H.T. Ren, J.M. Wen, W.B. Wu, Y. Xu, A.L. Zhang, J.F. Zhang, and T. Zhang,
% S.X. Peng \emph{et al.},
\textquotedblleft{Status of Hydrogen Ion Sources at PKU}\textquotedblright,
% in \emph{Proc. Cyclotrons2016}, pp. 297--300,
% in \emph{Proc. Cyclotrons2016}, Zurich, Switzerland, Sep. 2016, paper THB04, pp. 297--300,
in \emph{Proc. 21st Int. Conf. on Cyclotrons and Their Applications (Cyclotrons'16)},
Zurich, Switzerland, Sep. 2016, paper THB04, pp. 297--300,
% ISBN: 978-3-95450-167-0,
\url{http://jacow.org/cyclotrons2016/papers/thb04.pdf},
\url{doi:10.18429/JACoW-Cyclotrons2016-THB04}, 2017.