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  1. By: Reznicek, Anton A., - Catling, Paul M. - McKay, S.M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 2
    Date: 1976
    Page Range: 180--183
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Catling, Paul M. - McKay, S.M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 94
    Issue: 3
    Date: 1980
    Page Range: 248--258
    Publication Info: Ottawa Ottawa Field-Naturalists' Club