%\cite{Decking:FEL2015-WEA04}
\bibitem{Decking:FEL2015-WEA04}
    W.~Decking,
   \textquotedblleft{Status of the European XFEL}\textquotedblright,
%  presented at FEL2015, Daejeon, Republic of Korea, August 2015, paper WEA04, unpublished.
   presented at the 37th International Free Electron Laser Conference (FEL2015), Daejeon, Republic of Korea, August 2015, paper WEA04, unpublished.