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%\cite{li:ibic2019-tuco01}
\bibitem{li:ibic2019-tuco01}
R.K. Li,
\textquotedblleft{Terahertz-Based Sub-femtosecond Metrology of Relativistic Electron Beams}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at IBIC'19, Malmö, Sweden, Sep. 2019, paper TUCO01, unpublished.