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  1. By: Winterbon, Bruce
    Type: Article
    In: The Canadian field-naturalist
    Volume: 108
    Issue: 2
    Date: 1994
    Page Range: 266--266
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Winterbon, Bruce
    Type: Article
    In: The Canadian field-naturalist
    Volume: 107
    Issue: 1
    Date: 1993
    Page Range: 133--134
    Publication Info: Ottawa Ottawa Field-Naturalists' Club