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%\cite{zhou:ipac2021-frxa04}
\bibitem{zhou:ipac2021-frxa04}
F. Zhou, C. Adolphsen, A.L. Benwell, G.W. Brown, D. Dowell, M.P. Dunning, \emph{et al.},
% F. Zhou, C. Adolphsen, A.L. Benwell, G.W. Brown, D. Dowell, M.P. Dunning, S. Gilevich, K. Grouev, G. Huang, B.T. Jacobson, X. Liu, A. Miahnahri, F. Sannibale, J.F. Schmerge, and T. Vecchione,
% F. Zhou \emph{et al.},
\textquotedblleft{Commissioning results of LCLS-II MHz repetition rate electron source}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at IPAC'21, Campinas, SP, Brazil, May 2021, paper FRXA04, unpublished.