Zoogeographical reviews. Some of the results of ornithological investigations in the Soviet Union for the past fifty years
Isakov, I︠U︡. A.
Article
1980
Bulletin of the British Ornithologists' Club
100
55--61
BioStor
London, British Ornithologists' Club, 1893-
BioStor: https://biostor.org/reference/112576
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