%\cite{Keil:IBIC2014-WEPD11}
\bibitem{Keil:IBIC2014-WEPD11}
    B.~Keil, D.~Lipka, G.~Marinkovic, and M.~Stadler,
   \textquotedblleft{Beam-Based Calibration and Performance Optimization of Cavity BPMs for SwissFEL, E-XFEL and FLASH2}\textquotedblright,
%  in \emph{Proc. IBIC2014}, Monterey, CA, USA, paper WEPD11, pp. 665--669,
%  in \emph{Proc. 3rd Int. Beam Instrumentation Conf.}, Monterey, CA, USA, paper WEPD11, pp. 665--669,
   in \emph{Proc. 3rd International Beam Instrumentation Conference}, Monterey, CA, USA, paper WEPD11, pp. 665--669,
    ISBN: 978-3-95450-141-0,
    \url{http://jacow.org/IBIC2014/papers/wepd11.pdf},
    2014.
