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  1. By: James, R. D. - Dick, James A - Nash, Stephen V - Peck, Mark K. (Mark Kelday), - Tomlinson, B. E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 97
    Issue: 2
    Date: 1983
    Page Range: 187--193
    Publication Info: Ottawa Ottawa Field-Naturalists' Club