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\bibitem{Tsuji_etal1999} {\textquotedblleft}\textit{Grazing exit electron probe microanalysis for surface and particle analysis}{\textquotedblright}. Tsuji K, Wagatsuma K, Nullens R, Van Grieken RE, Analytical chemistry \textbf{71}, 2497 (1999).   http://doi.org/10.1021/AC990075P

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