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  1. By: Klenner, Walt
    Type: Article
    In: The Canadian field-naturalist
    Volume: 101
    Issue: 4
    Date: 1997
    Page Range: 558--568
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Klenner, Walt - Kroeker, Darryl W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 104
    Issue: 4
    Date: 1990
    Page Range: 540--544
    Publication Info: Ottawa Ottawa Field-Naturalists' Club