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\bibitem{Osan_etal2000} {\textquotedblleft}\textit{Light element analysis of individual microparticles using thin-window EPMA}{\textquotedblright}. Os{\'a}n J, Szal{\'o}ki I, Ro C-U, Van Grieken R, Microchimica acta \textbf{132}, 349 (2000).   http://doi.org/10.1007/S006040050079

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