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\bibitem{Bencs_etal2003} {\textquotedblleft}\textit{Methods for the determination of platinum group elements originating from the abrasion of automotive catalytic converters}{\textquotedblright}. Bencs L, Ravindra K, Van Grieken R, Spectrochimica acta: part B : atomic spectroscopy \textbf{58}, 1723 (2003).   http://doi.org/10.1016/S0584-8547(03)00162-9

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