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  1. By: Kratt, L. F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 95
    Issue: 3
    Date: 1981
    Page Range: 358--358
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Kratt, L. F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 99
    Issue: 4
    Date: 1985
    Page Range: 545--546
    Publication Info: Ottawa Ottawa Field-Naturalists' Club