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\bibitem{Terzano_etal2019} {\textquotedblleft}\textit{Recent advances in analysis of trace elements in environmental samples by X-ray based techniques (IUPAC Technical Report)}{\textquotedblright}. Terzano R, Denecke MA, Falkenberg G, Miller B, Paterson D, Janssens K, Pure and applied chemistry \textbf{91}, 1029 (2019).   http://doi.org/10.1515/PAC-2018-0605

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