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By: Urban, Emil K. - Hakanson, TType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 91Series:Issue:Date: 1971Page Range: 9--10Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Fry, C. H. (Charles Hilary) - Urban, Emil K. - Woodcock, MartinType: ArticleIn: Bulletin of the African Bird ClubVolume: 11Series:Issue: 1Date: 2004-03Page Range: 59--66Publication Info: Cambridge, African Bird Club, 1994-Subjects:
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By: Sauer, E. G. Franz - Urban, Emil K.Type: ArticleIn: Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, BonnVolume: 15Series:Issue:Date: 1964Page Range: 45--58Publication Info: Bonn, Das Forschungsinstitut,Subjects:
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By: Baxter, R. H. - Urban, Emil K. - Brown, Leslie,Type: ArticleIn: Journal of the East Africa Natural History Society and National MuseumVolume: 27Series:Issue:Date: 1969Page Range: 231--232Publication Info: [Nairobi, Kenya], The Society, [1965]-1993Subjects:
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By: Urban, Emil K.Type: ArticleIn: Journal of the East Africa Natural History Society and National MuseumVolume: 26Series:Issue:Date: 1967Page Range: 85--86Publication Info: [Nairobi, Kenya], The Society, [1965]-1993Subjects:
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By: Urban, Emil K.Type: ArticleIn: ScopusVolume: 8Series:Issue:Date: 1984Page Range: 97--98Publication Info: Nairobi, East Africa Natural History Society's Ornithological Sub-committee,Subjects:
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By: Urban, Emil K.Type: ArticleIn: ScopusVolume: 14Series:Issue:Date: 1991Page Range: 92--96Publication Info: Nairobi, East Africa Natural History Society's Ornithological Sub-committee,Subjects: