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  1. By: Kraus, Scott D. - Stone, Gregory S
    Type: Article
    In: The Canadian field-naturalist
    Volume: 109
    Issue: 4
    Date: 1995
    Page Range: 443--444
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Stone, Gregory S - Kraus, Scott D. - Prescott, John H - Hazard, Katherine W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 102
    Issue: 3
    Date: 1988
    Page Range: 471--474
    Publication Info: Ottawa Ottawa Field-Naturalists' Club