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  1. By: Greenwood, Raymond J. - Sargeant, Alan B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 109
    Issue: 4
    Date: 1995
    Page Range: 437--440
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Greenwood, Raymond J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 95
    Issue: 4
    Date: 1981
    Page Range: 465--467
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Sargeant, Raymond J. - Greenwood, Raymond J. - Pehl, James L. - Bicknell, William B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 96
    Issue: 3
    Date: 1982
    Page Range: 312--316
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Sargeant, Alan B. - Sovada, Marsha A. - Greenwood, Raymond J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 101
    Issue: 1
    Date: 1997
    Page Range: 95--97
    Publication Info: Ottawa Ottawa Field-Naturalists' Club