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Source:
Natural History. Sep92, Vol. 101 Issue 9, p10. 6p. 3 Cartoon or Caricatures.
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Source:
BioScience. Sep92, Vol. 42 Issue 8, p632-633. 2p.
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Source:
BioScience. May92, Vol. 42 Issue 5, p346-353. 8p. 5 Black and White Photographs, 2 Charts.
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