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%\cite{ji:napac2019-tuyba2}
\bibitem{ji:napac2019-tuyba2}
F. Ji,
\textquotedblleft{Ultrafast Relativistic Nanoprobes}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at NAPAC'19, Lansing, MI, USA, Sep. 2019, paper TUYBA2, unpublished.