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\bibitem{Bals_etal2007} {\textquotedblleft}\textit{High-quality sample preparation by low kV FIB thinning for analytical TEM measurements}{\textquotedblright}. Bals S, Tirry W, Geurts R, Yang Z, Schryvers D, Microscopy and microanalysis \textbf{13}, 80 (2007).   http://doi.org/10.1017/S1431927607070018

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