%\cite{Curry:FEL2015-TUP069} \bibitem{Curry:FEL2015-TUP069} E.J.~Curry, S.~Fabbri, A.~Gover, and P.~Musumeci, \textquotedblleft{THz Based Phase-Space Manipulation in a Guided IFEL}\textquotedblright, % in \emph{Proc. FEL2015}, TUP069, pp. 519--522, % in \emph{Proc. FEL2015}, Daejeon, Republic of Korea, August 2015, paper TUP069, pp. 519--522, in \emph{Proc. 37th International Free Electron Laser Conference (FEL2015)}, Daejeon, Republic of Korea, August 2015, paper TUP069, pp. 519--522, ISBN: 978-3-95450-134-2, \url{http://accelconf.web.cern.ch/AccelConf/FEL2015/papers/tup069.pdf}, doi:10.18429/JACoW-FEL2015-TUP069, 2015.