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  1. By: Theberge, John B - Oosenbrug, S.M. - Pimlott, Douglas H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 92
    Issue: 1
    Date: 1978
    Page Range: 91--94
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Theberge, John B - Pimlott, Douglas H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 83
    Issue: 2
    Date: 1969
    Page Range: 122--128
    Publication Info: Ottawa Ottawa Field-Naturalists' Club