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\bibitem{Brook_etal2007} Brook, G. A., Marais, E., Srivastava, P., \& Jordan, T. (2007). Timing of lake-level changes in Etosha Pan, Namibia, since the middle Holocene from OSL ages of relict shorelines in the Okondeka region. \textit{Quaternary International}, \textit{175}(1), 29--40.

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