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  1. By: Urban, Emil K. - Hakanson, T
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 91
    Date: 1971
    Page Range: 9--10
    Publication Info: London, British Ornithologists' Club, 1893-
  2. By: Fry, C. H. (Charles Hilary) - Urban, Emil K. - Woodcock, Martin
    Type: Article
    In: Bulletin of the African Bird Club
    Volume: 11
    Issue: 1
    Date: 2004-03
    Page Range: 59--66
    Publication Info: Cambridge, African Bird Club, 1994-
  3. By: Sauer, E. G. Franz - Urban, Emil K.
    Type: Article
    In: Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn
    Volume: 15
    Date: 1964
    Page Range: 45--58
    Publication Info: Bonn, Das Forschungsinstitut,
  4. By: Urban, Emil K.
    Type: Article
    In: Scopus
    Volume: 8
    Date: 1984
    Page Range: 97--98
    Publication Info: Nairobi East Africa Natural History Society's Ornithological Sub-committee
  5. By: Urban, Emil K.
    Type: Article
    In: Scopus
    Volume: 14
    Date: 1991
    Page Range: 92--96
    Publication Info: Nairobi East Africa Natural History Society's Ornithological Sub-committee