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  1. By: Freedman, B. - Beauchamp, C. - McLaren, I. A. - Tingley, Stuart I.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 95
    Issue: 3
    Date: 1981
    Page Range: 307--311
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Tingley, Stuart I.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 92
    Issue: 2
    Date: 1978
    Page Range: 199--199
    Publication Info: Ottawa Ottawa Field-Naturalists' Club