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  1. By: White, Clayton M. - Fyfe, Richard W. - Lemon, David B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 104
    Issue: 2
    Date: 1990
    Page Range: 174--181
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Guignion, Marco - Ristau, Charlie - Lemon, David B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 109
    Issue: 4
    Date: 1995
    Page Range: 462--464
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Lemon, David B. - Brazil, J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 104
    Issue: 2
    Date: 1990
    Page Range: 200--202
    Publication Info: Ottawa Ottawa Field-Naturalists' Club