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  1. By: Anderson, Christine S. - Meikle, Douglas B. - Cady, Alan B. (Alan Bruce) - Schaefer, Robert L.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 120
    Issue: 2
    Date: 2006-04-01
    Page Range: 192--198
    Publication Info: Ottawa Ottawa Field-Naturalists' Club