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  1. By: de Wit, Luke
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 3
    Date: 1989
    Page Range: 459--460
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: de Wit, Luke
    Type: Article
    In: The Canadian field-naturalist
    Volume: 102
    Issue: 4
    Date: 1988
    Page Range: 753--754
    Publication Info: Ottawa Ottawa Field-Naturalists' Club