%\cite{Penn:FEL2015-WEP025}
\bibitem{Penn:FEL2015-WEP025}
    G.~Penn, P.~Emma, E.~Hemsing, Z.~Huang, G.~Marcus, J.~Qiang, \emph{et al.},
%   G. Penn \emph{et al.},
   \textquotedblleft{Effect of Microbunching on Seeding Schemes for LCLS-II}\textquotedblright,
%  in \emph{Proc. FEL2015}, WEP025, pp. 639--642,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper WEP025, pp. 639--642,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper WEP025, pp. 639--642,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/wep025.pdf},
    doi:10.18429/JACoW-FEL2015-WEP025, 2015.