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  1. By: Cameron, Raymond D. - Whitten, Kenneth R. - Smith, Walter T. - Roby, Daniel D
    Type: Article
    In: The Canadian field-naturalist
    Volume: 93
    Issue: 2
    Date: 1979
    Page Range: 155--162
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Whitten, Kenneth R. - Cameron, Raymond D.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 97
    Issue: 2
    Date: 1983
    Page Range: 143--146
    Publication Info: Ottawa Ottawa Field-Naturalists' Club