%\cite{Chung:FEL2015-WEP060}
\bibitem{Chung:FEL2015-WEP060}
    M.~Chung, J.H.~Han, J.H.~Hong, H.-S.~Kang, C.H.~Kim, J.M.~Seok, and J.C.T.~Thangaraj,
%   M. Chung \emph{et al.},
   \textquotedblleft{Longitudinal Electron Bunch Shaping Experiments at the PAL-ITF}\textquotedblright,
%  in \emph{Proc. FEL2015}, WEP060, pp. 694--697,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper WEP060, pp. 694--697,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper WEP060, pp. 694--697,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/wep060.pdf},
    doi:10.18429/JACoW-FEL2015-WEP060, 2015.