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  1. By: Currah, Randolph S. - Van Dyk, Margaret
    Type: Article
    In: The Canadian field-naturalist
    Volume: 100
    Issue: 3
    Date: 1986
    Page Range: 330--342
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Smreciu, Elizabeth Ann, - Currah, Randolph S. - Toop, E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 102
    Issue: 1
    Date: 1988
    Page Range: 31--38
    Publication Info: Ottawa Ottawa Field-Naturalists' Club