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  1. By: Brady, Keith - Hamer, David M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 106
    Issue: 4
    Date: 1992
    Page Range: 519--520
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Hamer, David M. - Herrero, Stephen - Brady, Keith
    Type: Article
    In: The Canadian field-naturalist
    Volume: 105
    Issue: 3
    Date: 1991
    Page Range: 325--329
    Publication Info: Ottawa Ottawa Field-Naturalists' Club