%\cite{Maag:FEL2015-TUP032}
\bibitem{Maag:FEL2015-TUP032}
    C.P.~Maag, J.~Roßbach, and J.~Zemella,
   \textquotedblleft{Numerical Studies of the Influence of the Electron Bunch Arrival Time Jitter on the Gain Process of an XFEL-Oscillator for the European XFEL}\textquotedblright,
%  in \emph{Proc. FEL2015}, TUP032, pp. 436--438,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper TUP032, pp. 436--438,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper TUP032, pp. 436--438,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/tup032.pdf},
    doi:10.18429/JACoW-FEL2015-TUP032, 2015.