%\cite{Salehi:FEL2015-MOP075}
\bibitem{Salehi:FEL2015-MOP075}
    E.~Salehi, B.~Maraghechi, and N.S.~Mirian,
   \textquotedblleft{Three-dimensional Simulation of a Harmonic Lasing Free-Electron Laser Amplifier}\textquotedblright,
%  in \emph{Proc. FEL2015}, MOP075, pp. 213--216,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper MOP075, pp. 213--216,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper MOP075, pp. 213--216,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/mop075.pdf},
    doi:10.18429/JACoW-FEL2015-MOP075, 2015.