%\cite{Zemella:FEL2015-TUP030}
\bibitem{Zemella:FEL2015-TUP030}
    J.~Zemella, W.M.~Fawley, R.R.~Lindberg, and T.J.~Maxwell,
   \textquotedblleft{Time Dependent Study for an X-ray FEL Oscillator at LCLS-II}\textquotedblright,
%  in \emph{Proc. FEL2015}, TUP030, pp. 433--435,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper TUP030, pp. 433--435,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper TUP030, pp. 433--435,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/tup030.pdf},
    doi:10.18429/JACoW-FEL2015-TUP030, 2015.