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  1. By: Gauthier, David A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 105
    Issue: 1
    Date: 1991
    Page Range: 134--135
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Gauthier, David A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 1
    Date: 1989
    Page Range: 115--116
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Gauthier, David A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 100
    Issue: 4
    Date: 1986
    Page Range: 584--586
    Publication Info: Ottawa Ottawa Field-Naturalists' Club