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  1. By: B. M. Jessop, B. M. - Lee, Robert L. G. - Power, Geoffrey
    Type: Article
    In: The Canadian field-naturalist
    Volume: 84
    Issue: 4
    Date: 1970
    Page Range: 365--367
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Lee, Robert L. G.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 1
    Date: 1976
    Page Range: 74--74
    Publication Info: Ottawa Ottawa Field-Naturalists' Club