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  1. By: Parker, Gerald R. - Maxwell, J. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 94
    Issue: 1
    Date: 1980
    Page Range: 1--8
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Parker, Gerald R. - Maxwell, J. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 98
    Issue: 3
    Date: 1984
    Page Range: 293--304
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Parker, Gerald R. - Maxwell, J. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 1
    Date: 1989
    Page Range: 1--11
    Publication Info: Ottawa Ottawa Field-Naturalists' Club