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%\cite{Musumeci:FEL2017-MOA02}
\bibitem{Musumeci:FEL2017-MOA02}
P. Musumeci,
\textquotedblleft{Rodolfo Bonifacio and the Development of FELs}\textquotedblright,
presented at FEL2017, Santa Fe, NM, USA, Aug. 2017, paper MOA02, unpublished.
% presented at the 38th Int. Free Electron Laser Conf. (FEL'17), Santa Fe, NM, USA, Aug. 2017, paper MOA02, unpublished.