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\bibitem{Bernard_etal1989} {\textquotedblleft}\textit{Geochemistry of suspended matter from the baltic sea : 1 : results of individual particle characterization by automated electron microprobe}{\textquotedblright}. Bernard PC, Van Grieken RE, Br{\"u}gmann L, Marine chemistry \textbf{26}, 155 (1989).   http://doi.org/10.1016/0304-4203(89)90058-3

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