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  1. By: Dean, Paul B. - De Vos, Antoon
    Type: Article
    In: The Canadian field-naturalist
    Volume: 79
    Issue: 1
    Date: 1965
    Page Range: 38--48
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Dean, Paul B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 86
    Issue: 2
    Date: 1972
    Page Range: 191--191
    Publication Info: Ottawa Ottawa Field-Naturalists' Club