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  1. By: Oxley, D. J. - Gall, J. M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 4
    Date: 1977
    Page Range: 424--424
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Oxley, D. J. - Coutts, R. A. - Boyle, N. G. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 3
    Date: 1977
    Page Range: 322--323
    Publication Info: Ottawa Ottawa Field-Naturalists' Club