THE TAXONOMY OF STEPPE AND TAWNY EAGLES WITH CRITERIA FOR SEPARATION OF MUSEUM SPECIMENS AND LIVE EAGLES
Clark, William S.
Article
1992
Bulletin of the British Ornithologists' Club
112
150--157
BioStor
English
London, British Ornithologists' Club, 1893-
BioStor: https://biostor.org/reference/112208
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