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  1. By: Reimchen, Thomas E. - Douglas, S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 94
    Issue: 4
    Date: 1980
    Page Range: 398--404
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Reimchen, Thomas E. - Douglas, S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 98
    Issue: 1
    Date: 1984
    Page Range: 22--28
    Publication Info: Ottawa Ottawa Field-Naturalists' Club