%\cite{Hu:FEL2015-WEP042}
\bibitem{Hu:FEL2015-WEP042}
    T.~Hu, L.~Cao, Q.S.~Chen, W.~Chen, J.~Li, Y.J.~Pei, \emph{et al.},
%   T. Hu \emph{et al.},
   \textquotedblleft{Commissioning and First Performance of the LINAC-based  Injector Applied in the HUST THz-FEL}\textquotedblright,
%  in \emph{Proc. FEL2015}, WEP042, pp. 662--664,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper WEP042, pp. 662--664,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper WEP042, pp. 662--664,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/wep042.pdf},
    doi:10.18429/JACoW-FEL2015-WEP042, 2015.