Erythropygia quadrivirgata and allied species
Benson, C. W. (Constantine Walter), 1909-1982 White, C. M. N. (Charles Matthew Newton), 1914-1978
Article
1962
Bulletin of the British Ornithologists' Club
82
72--75
BioStor
London, British Ornithologists' Club, 1893-
BioStor: https://biostor.org/reference/113122