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\bibitem{Kempenaers_etal2001} {\textquotedblleft}\textit{The use of LA-ICP-MS for the characterization of the micro-heterogeneity of heavy metals in BCR CRM 680}{\textquotedblright}. Kempenaers L, Bings NH, Jeffries TE, Vekemans B, Janssens K, Journal of analytical atomic spectrometry \textbf{16}, 1006 (2001).   http://doi.org/10.1039/B102512K

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