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  1. By: Perktas, Utku - Groth, Jeffrey G. - Barrowclough, George F.
    Publication info: New York, NY, American Museum of Natural History, [2020]
    Holding Institution: American Museum of Natural History Library
  1. By: Vallely, Andrew C - Dyer, Dale - Perktas, Utku
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 134
    Issue: 4
    Date: 2014
    Page Range: 259--269
    Publication Info: London, British Ornithologists' Club, 1893-