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By: Hill, Christopher RichardType: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 27Series:Issue: 4Date: 1976-10-28Page Range: 289--294Publication Info: London, BM(NH),Subjects:
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By: Hill, Christopher Richard - El-Khayal, A AType: ArticleIn: Bulletin of the British Museum (Natural History) GeologyVolume: 37Series:Issue: 3Date: 1983-11-24Page Range: 105--112Publication Info: London, BM(NH),Subjects: