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  1. By: DeLong, Don Clifton - Buehler, David A. - Mersmann, T A - Fraser, James D - Seegar, J K D
    Type: Article
    In: The journal of raptor research
    Volume: 27
    Issue: 1
    Date: 1993
    Page Range: 68--68
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  2. By: Berkelman, James, - Fraser, James D - Watson, Richard T.
    Type: Article
    In: The journal of raptor research
    Volume: 29
    Issue: 1
    Date: 1995
    Page Range: 53--53
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  3. By: Berkelman, James, - Fraser, James D - Watson, Richard T.
    Type: Article
    In: The Wilson bulletin
    Volume: 111
    Issue: 1
    Date: 1999
    Page Range: 15--21
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  4. By: Berkelman, James, - Fraser, James D - Watson, Richard T.
    Type: Article
    In: The journal of raptor research
    Volume: 36
    Issue: 4
    Date: 2002
    Page Range: 287--293
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  5. By: Tingay, Ruth E - Culver, Melanie - Hallerman, Eric M. - Fraser, James D - Watson, Richard T.
    Type: Article
    In: The journal of raptor research
    Volume: 36
    Issue: 4
    Date: 2002
    Page Range: 280--286
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  6. By: Fraser, James D - Mathisen, J E - Shough, M E
    Type: Article
    In: Raptor research
    Volume: 17
    Issue: 1
    Date: 1983
    Page Range: 29--30
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]
  7. By: Chandler, Sheri K. - Fraser, James D - Buehler, David A. - Seegar, J K D
    Type: Article
    In: The journal of raptor research
    Volume: 27
    Issue: 1
    Date: 1993
    Page Range: 67--67
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-