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  1. By: Dean, Frederick C. - McIntyre, Rick T. - Sellers, Richard A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 106
    Issue: 2
    Date: 1992
    Page Range: 257--259
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Wilk, Randall J. - Solberg, John W. - Berns, Vernon D. - Sellers, Richard A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 102
    Issue: 3
    Date: 1988
    Page Range: 541--543
    Publication Info: Ottawa Ottawa Field-Naturalists' Club