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\bibitem{Kempenaers_etal2002} {\textquotedblleft}\textit{A Monte Carlo model for studying the microheterogeneity of trace elements in reference materials by means of synchrotron microscopic X-ray fluorescence}{\textquotedblright}. Kempenaers L, Janssens K, Vincze L, Vekemans B, Somogyi A, Drakopoulos M, Simionovici AS, Adams F, Analytical chemistry \textbf{74}, 5017 (2002).   http://doi.org/10.1021/AC025662G

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