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By: Rawson, Peter FranklinType: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 20Series:Issue:Date: 1971Page Range: 27--86Publication Info: London, BM(NH),Subjects:
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By: Rawson, Peter FranklinType: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 26Series:Issue:Date: 1975Page Range: 129--159Publication Info: London, BM(NH),Subjects: