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\bibitem{Stroobants_etal1991} {\textquotedblleft}\textit{Barite formation in the Southern Ocean water column}{\textquotedblright}. Stroobants N, Dehairs F, Goeyens L, Vanderheijden N, Van Grieken R, Marine chemistry \textbf{35}, 411 (1991).   http://doi.org/10.1016/S0304-4203(09)90033-0

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