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  1. By: Hanke, Gavin F. - McNall, M. C. E. - Roberts, J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 120
    Issue: 4
    Date: 2006-10-01
    Page Range: 421--427
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Hanke, Gavin F. - Roias, Steven M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 126
    Issue: 3
    Date: 2013-01-23
    Page Range: 210--216
    Publication Info: Ottawa Ottawa Field-Naturalists' Club