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  1. By: Cummings, J H - Duke, Gary E. - Jegers, A A
    Type: Article
    In: Raptor research
    Volume: 10
    Issue: 2
    Date: 1976
    Page Range: 55--57
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]
  2. By: Akaki, C - Duke, Gary E.
    Type: Article
    In: The journal of raptor research
    Volume: 32
    Issue: 4
    Date: 1998
    Page Range: 286--289
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  3. By: Duke, Gary E. - Jackson, Sue - Evanson, O A
    Type: Article
    In: The journal of raptor research
    Volume: 27
    Issue: 1
    Date: 1993
    Page Range: 39--41
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  4. By: Duke, Gary E. - Evanson, O A - Chaplin, Susan B.,
    Type: Article
    In: The journal of raptor research
    Volume: 25
    Issue: 3
    Date: 1991
    Page Range: 90--91
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  5. By: Fuller, Mark R. - Redig, P T - Duke, Gary E.
    Type: Article
    In: Raptor research
    Volume: 8
    Issue: 1/2
    Date: 1974
    Page Range: 11--19
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]
  6. By: Duke, Gary E. - Redig, P T - Jones, W
    Type: Article
    In: Raptor research
    Volume: 15
    Issue: 4
    Date: 1981
    Page Range: 97--107
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]
  7. By: Duke, Gary E. - TerEick, Amy L. - Reynhout, J K - Bird, David M. (David Michael), - Place, A E
    Type: Article
    In: The journal of raptor research
    Volume: 30
    Issue: 4
    Date: 1996
    Page Range: 213--218
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-