%\cite{Rimjaem:FEL2015-WEP061}
\bibitem{Rimjaem:FEL2015-WEP061}
    S.~Rimjaem, N.~Chaisueb, N.~Kangrang, E.~Kongmon, K.~Kosaentor, J.~Saisut, \emph{et al.},
%   S. Rimjaem \emph{et al.},
   \textquotedblleft{Numerical and Experimental Studies on Electron Beam Properties from Asymmetric RF-gun}\textquotedblright,
%  in \emph{Proc. FEL2015}, WEP061, pp. 698--701,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper WEP061, pp. 698--701,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper WEP061, pp. 698--701,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/wep061.pdf},
    doi:10.18429/JACoW-FEL2015-WEP061, 2015.