Zoogeographical reviews. Fifty years of ornithology in west Africa
Morel, G J
Article
1980
Bulletin of the British Ornithologists' Club
100
66--68
BioStor
London, British Ornithologists' Club, 1893-
BioStor: https://biostor.org/reference/112578