%\cite{Cohn:FEL2015-WEP016}
\bibitem{Cohn:FEL2015-WEP016}
    K. R.~Cohn, J.~Blau, W.B.~Colson, J.W.~Ng, and M.J.~Price,
   \textquotedblleft{Free Electron Lasers in 2015}\textquotedblright,
%  in \emph{Proc. FEL2015}, WEP016, pp. 625--629,
%  in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper WEP016, pp. 625--629,
   in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper WEP016, pp. 625--629,
    ISBN: 978-3-95450-134-2,
    \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/wep016.pdf},
    doi:10.18429/JACoW-FEL2015-WEP016, 2015.