The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Zhang:IPAC2017-WEPVA081}
\bibitem{Zhang:IPAC2017-WEPVA081}
L.G. Zhang, W. Chen, K. Fan, S. Hu, L.X.F. Li, Z.Y. Mei, \emph{et al.},
% L.G. Zhang, W. Chen, K. Fan, S. Hu, L.X.F. Li, Z.Y. Mei, B. Qin, and Z.J. Zeng,
% L.G. Zhang \emph{et al.},
\textquotedblleft{Topology Optimization for a Superconducting Cyclotron Main Magnet}\textquotedblright,
% in \emph{Proc. IPAC2017}, pp. 3446--3448,
% in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper WEPVA081, pp. 3446--3448,
in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)},
Copenhagen, Denmark, May 2017, paper WEPVA081, pp. 3446--3448,
% ISBN: 978-3-95450-182-3,
\url{http://jacow.org/ipac2017/papers/wepva081.pdf},
\url{https://doi.org/10.18429/JACoW-IPAC2017-WEPVA081}, 2017.