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  1. By: Olson, C V - Arsenault, David P
    Type: Article
    In: The journal of raptor research
    Volume: 34
    Issue: 3
    Date: 2000
    Page Range: 157--166
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  2. By: Olson, C V - Osborn, S A H
    Type: Article
    In: The journal of raptor research
    Volume: 34
    Issue: 1
    Date: 2000
    Page Range: 58--59
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-