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  1. By: Gill, M. J. - Krannitz, Pam G.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 111
    Issue: 4
    Date: 1997
    Page Range: 650--652
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Krannitz, Pam G. - Maun, M. A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 105
    Issue: 1
    Date: 1991
    Page Range: 13--17
    Publication Info: Ottawa Ottawa Field-Naturalists' Club