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  E-mail Message: I thought you might be interested in this item at http://www.worldcat.org/oclc/702765 Title: The origin of birds. Author: Gerhard Heilmann Publisher: New York, Dover Publications [1972] ISBN/ISSN: 0486227847 9780486227849 OCLC:702765

  
  

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Subjects

• Birds, Fossil.
• Reptiles, Fossil.

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The origin of birds.