From Field and Study: Southward Spread of White-backed Swallow on Swan Coastal Plain
Kolichis, Nicholas
Article
1979-03-30
The Western Australian Naturalist
14
Issue: 5
131--131
BioStor
Nedlands, W.A, Western Australian Naturalists' Club, 1947
BioStor: https://biostor.org/reference/263749
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