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By: Jin, Jisuo - Norford, B SType: ArticleIn: PalaeontologyVolume: 35Series:Issue:Date: 1992Page Range: 775--800Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Norford, B S - Steele, H MiriamType: ArticleIn: PalaeontologyVolume: 12Series:Issue:Date: 1969Page Range: 161--171Publication Info: London, Palaeontological Association, 1957-Subjects:
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By: Norford, B SType: ArticleIn: PalaeontologyVolume: 3Series:Issue:Date: 1960Page Range: 242--244Publication Info: London, Palaeontological Association, 1957-Subjects: