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  1. By: Johnson, J. D.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 4
    Date: 1989
    Page Range: 497--508
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Johnson, J. D.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 1
    Date: 1989
    Page Range: 96--99
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Johnson, J. D.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 2
    Date: 1989
    Page Range: 291--293
    Publication Info: Ottawa Ottawa Field-Naturalists' Club