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  1. By: Herzog, Sebastian K - Kessler, Michael - Maijer, Sjoerd - Hohnwald, Stefan
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 117
    Date: 1997
    Page Range: 223--235
    Publication Info: London, British Ornithologists' Club, 1893-
  2. By: Herzog, Sebastian K - Fjeldså, Jon - Kessler, Michael - Balderrama, José A
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 119
    Date: 1999
    Page Range: 162--177
    Publication Info: London, British Ornithologists' Club, 1893-
  3. By: Herzog, Sebastian K
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 121
    Date: 2001
    Page Range: 273--277
    Publication Info: London, British Ornithologists' Club, 1893-
  4. By: Herzog, Sebastian K - Soria A., Rodrigo - Matthysen, Erik
    Type: Article
    In: The Wilson bulletin
    Volume: 115
    Issue: 4
    Date: 2003
    Page Range: 438--447
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-