%\cite{Chaisueb:FEL2015-WEP062}
\bibitem{Chaisueb:FEL2015-WEP062}
    N.~ChaisuebS.~Rimjaem,
   \textquotedblleft{Study on Undulator Radiation from Femtosecond Electron Bunches}\textquotedblright,
%  in \emph{Proc. FEL2015}, WEP062, pp. 702--706,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper WEP062, pp. 702--706,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper WEP062, pp. 702--706,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/wep062.pdf},
    doi:10.18429/JACoW-FEL2015-WEP062, 2015.
