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%\cite{xu:erl2019-wepnec04}
\bibitem{xu:erl2019-wepnec04}
W. Xu,
\textquotedblleft{HOM Damping for High Current SRF Cavity}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at ERL'19, Berlin, Germany, Sep. 2019, paper WEPNEC04, unpublished.