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  1. By: Becker, Jonathan J
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 100
    Date: 1987
    Page Range: 358--363
    Publication Info: Washington, Biological Society of Washington,
  2. By: Becker, Jonathan J
    Type: Article
    In: The Great Basin naturalist
    Volume: 46
    Issue: 4
    Date: 1986
    Page Range: 763--768
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  3. By: Becker, Jonathan J
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 105
    Date: 1985
    Page Range: 37--40
    Publication Info: London, British Ornithologists' Club, 1893-
  4. By: Becker, Jonathan J
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 99
    Date: 1986
    Page Range: 502--508
    Publication Info: Washington, Biological Society of Washington,
  5. By: Becker, Jonathan J
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 98
    Date: 1985
    Page Range: 314--320
    Publication Info: Washington, Biological Society of Washington,