%\cite{Jeevakhan:FEL2015-MOP004}
\bibitem{Jeevakhan:FEL2015-MOP004}
    H.~Jeevakhan, G.~Mishra, and P.K.~Purohit,
   \textquotedblleft{Influence of Horizantal Constant Magnetic Field on Harmonic Undulator Radiations and Gain}\textquotedblright,
%  in \emph{Proc. FEL2015}, MOP004, pp. 34--37,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper MOP004, pp. 34--37,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper MOP004, pp. 34--37,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/mop004.pdf},
    doi:10.18429/JACoW-FEL2015-MOP004, 2015.