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  1. By: Vinogradov, Mikhail Evgenevich. - Causey, Douglas - Semenova, T. N. - Volkov, Anatolii Fedorovich.
    Publication info: Washington, D.C. :Smithsonian Institution Libraries,1996.
    Holding Institution: Smithsonian Libraries
  2. By: Kuzmina, M. A. - Causey, Douglas
    Publication info: Washington, D.C. :National Science Foundation,1992.
    Holding Institution: Smithsonian Libraries
  3. By: Gromov, I. M. - Causey, Douglas - Hoffmann, Robert S. - Poliakov, I. IA.
    Publication info: Washington, D.C. :National Science Foundation,1992.
    Holding Institution: Smithsonian Libraries
  1. By: Winker, Kevin - Gibson, Daniel D - Sowls, Arthur L - Lawhead, Brian E - Martin, Philip D - Hoberg, Eric P - Causey, Douglas
    Type: Article
    In: The Wilson bulletin.
    Volume: 114
    Issue: 4
    Date: 2002
    Page Range: 491--509
    Publication info: Columbus, Ohio :Wilson Ornithological Society,1894-2005.