%\cite{Sannibale:FEL2015-MOP024}
\bibitem{Sannibale:FEL2015-MOP024}
    F.~Sannibale, K.M.~Baptiste, C.W.~Cork, S.~De Santis, M.R.~Dickinson, L.R.~Doolittle, \emph{et al.},
%   F. Sannibale \emph{et al.},
   \textquotedblleft{Status, Plans and Recent Results from the APEX Project at LBNL}\textquotedblright,
%  in \emph{Proc. FEL2015}, MOP024, pp. 81--84,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper MOP024, pp. 81--84,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper MOP024, pp. 81--84,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/mop024.pdf},
    doi:10.18429/JACoW-FEL2015-MOP024, 2015.