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  1. By: Dugle, Janet R. Dugle
    Type: Article
    In: The Canadian field-naturalist
    Volume: 86
    Issue: 1
    Date: 1972
    Page Range: 110--110
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Dugle, Janet R. Dugle - Copps, Theodore P.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 86
    Issue: 1
    Date: 1972
    Page Range: 33--40
    Publication Info: Ottawa Ottawa Field-Naturalists' Club