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  1. By: Clement, Christopher J. E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 99
    Issue: 1
    Date: 1985
    Page Range: 34--39
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Clement, Christopher J. E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 101
    Issue: 3
    Date: 1997
    Page Range: 443--445
    Publication Info: Ottawa Ottawa Field-Naturalists' Club