The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Liu:FEL2017-WEA03}
\bibitem{Liu:FEL2017-WEA03}
K.X. Liu, J.E. Chen, W. Cheng, L.W. Feng, J.K. Hao, S. Huang, \emph{et al.},
% K.X. Liu, J.E. Chen, W. Cheng, L.W. Feng, J.K. Hao, S. Huang, L. Lin, W. Qin, S.W. Quan, F. Wang, H.M. Xie, and F. Zhu,
% K.X. Liu \emph{et al.},
\textquotedblleft{Simulation Optimization of DC-SRF Photoinjector for Low-Emittance Electron Beam Generation}\textquotedblright,
presented at FEL2017, Santa Fe, NM, USA, Aug. 2017, paper WEA03, unpublished.
% presented at the 38th Int. Free Electron Laser Conf. (FEL'17), Santa Fe, NM, USA, Aug. 2017, paper WEA03, unpublished.