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By: Pontynen, ArthurType: ArticleIn: Field Museum of Natural History bulletinVolume: 49Series:Issue: 6Date: 1978Page Range: 16--22Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects:
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By: Pontynen, ArthurType: ArticleIn: Field Museum of Natural History bulletinVolume: 51Series:Issue: 2Date: 1980Page Range: 6--9Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects: