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%\cite{zhao:ipac2020-wevir08}
\bibitem{zhao:ipac2020-wevir08}
L.R. Zhao,
\textquotedblleft{Terahertz Oscilloscope for Ultrashort Electron Beams Diagnostics}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at IPAC'20, Caen, France, May 2020, paper WEVIR08, unpublished.