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  1. By: Krebs, Charles - Wingate, Irene
    Type: Article
    In: The Canadian field-naturalist
    Volume: 99
    Issue: 1
    Date: 1985
    Page Range: 51--61
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Valiela, Ivan - Babiec, Daniel F - Atherton, William - Seitzinger, Sybil - Krebs, Charles
    Type: Article
    In: The Biological bulletin
    Volume: 147
    Date: 1974-12-01
    Page Range: 652--660
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  3. By: Reid, Donald G. - Doyle, Frank I. - Kenney, Alice J. - Krebs, Charles
    Type: Article
    In: The Canadian field-naturalist
    Volume: 125
    Issue: 4
    Date: 2012-08-13
    Page Range: 307--315
    Publication Info: Ottawa Ottawa Field-Naturalists' Club