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  1. By: Cochran, Philip A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 95
    Issue: 1
    Date: 1981
    Page Range: 97--98
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Cochran, Philip A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 105
    Issue: 3
    Date: 1991
    Page Range: 400--402
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Cochran, Philip A. - Cochran, Joseph A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 113
    Issue: 4
    Date: 1999
    Page Range: 684--685
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Cochran, Philip A. - Ross, Mark A. - Walker, Thomas S. - Biederman, Trevor
    Type: Article
    In: The Canadian field-naturalist
    Volume: 126
    Issue: 3
    Date: 2013-01-23
    Page Range: 204--209
    Publication Info: Ottawa Ottawa Field-Naturalists' Club