The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Qian:FEL2017-WEP009}
\bibitem{Qian:FEL2017-WEP009}
H.J. Qian, M. Krasilnikov, and F. Stephan,
\textquotedblleft{A Cryocooled Normal-Conducting and Superconducting Hybrid CW Photoinjector}\textquotedblright,
in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP009}, 2018.
% in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP009}, pp. 436--439.
% in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper WEP009, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP009}
% in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)},
% Santa Fe, NM, USA, Aug. 2017, paper WEP009, pp. 436--439,
% ISBN: 978-3-95450-179-3,
% \url{http://jacow.org/fel2017/papers/wep009.pdf},
% \url{https://doi.org/10.18429/JACoW-FEL2017-WEP009}, 2018.