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  1. By: Rusch, D H - Gillespie, Murray M. - McKay, David I.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 92
    Issue: 2
    Date: 1978
    Page Range: 123--127
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Sexton, Donald A. - Gillespie, Murray M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 93
    Issue: 1
    Date: 1979
    Page Range: 74--76
    Publication Info: Ottawa Ottawa Field-Naturalists' Club