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  1. By: Barnes, D. M. - Mallik, A. U.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 115
    Issue: 1
    Date: 2001
    Page Range: 9--21
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Barnes, D. M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 119
    Issue: 3
    Date: 2005-07-01
    Page Range: 441--443
    Publication Info: Ottawa Ottawa Field-Naturalists' Club