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  1. By: Silva, José Maria Cardoso da - Novaes, Fernando C. - Oren, David C
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 122
    Date: 2002
    Page Range: 185--194
    Publication Info: London, British Ornithologists' Club, 1893-
  2. By: Whittaker, Andrew, (Ornithologist) - Oren, David C
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 119
    Date: 1999
    Page Range: 235--260
    Publication Info: London, British Ornithologists' Club, 1893-
  3. By: Silva, José Maria Cardoso da - Oren, David C
    Type: Article
    In: The Wilson bulletin
    Volume: 102
    Issue: 2
    Date: 1990
    Page Range: 309--313
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  4. By: Aleixo, Alexandre - Whitney, Bret M. - Oren, David C
    Type: Article
    In: The Wilson bulletin
    Volume: 112
    Issue: 1
    Date: 2000
    Page Range: 137--142
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-