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By: Pickering, Robert B.Type: ArticleIn: Field Museum of Natural History bulletinVolume: 55Series:Issue: 10Date: 1984Page Range: 7--9Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects:
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By: Pickering, Robert B.Type: ArticleIn: Field Museum of Natural History bulletinVolume: 50Series:Issue: 8Date: 1979Page Range: 12--15Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects:
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By: Pickering, Robert B.Type: ArticleIn: Field Museum of Natural History bulletinVolume: 55Series:Issue: 2Date: 1984Page Range: 20--22Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects: