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  1. By: Lammers, John
    Type: Article
    In: The Canadian field-naturalist
    Volume: 84
    Issue: 1
    Date: 1970
    Page Range: 67--69
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Lammers, John
    Type: Article
    In: The Canadian field-naturalist
    Volume: 85
    Issue: 4
    Date: 1971
    Page Range: 336--337
    Publication Info: Ottawa Ottawa Field-Naturalists' Club