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\bibitem{Bernard_etal1999} {\textquotedblleft}\textit{Electron microprobe analysis of suspended matter in the Angola Basin}{\textquotedblright}. Bernard P, Eisma D, Van Grieken R, Journal of sea research \textbf{41}, 19 (1999).   http://doi.org/10.1016/S1385-1101(98)00043-4

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