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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hegner, R E - Emlen, Stephen T. - Demong, N J - Miller, C E
    Type: Article
    In: Scopus
    Volume: 3
    Date: 1979
    Page Range: 9--13
    Publication Info: Nairobi, East Africa Natural History Society's Ornithological Sub-committee,