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%\cite{martinello:srf2019-tufub4}
\bibitem{martinello:srf2019-tufub4}
M. Martinello,
\textquotedblleft{Microscopic Investigation of Flux Trapping Sites in Bulk Nb}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at SRF'19, Dresden, Germany, Jun.-Jul. 2019, paper TUFUB4, unpublished.