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  1. By: Haegele, C. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 107
    Issue: 1
    Date: 1993
    Page Range: 83--91
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Haegele, C. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 107
    Issue: 1
    Date: 1993
    Page Range: 73--82
    Publication Info: Ottawa Ottawa Field-Naturalists' Club