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  1. By: Douglass, Richard - McDonald, Donald
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 1
    Date: 1976
    Page Range: 82--83
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Douglass, Richard
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 3
    Date: 1977
    Page Range: 237--247
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Monteverde, Martín - Piudo, Luciana - Hodara, Karina - Douglass, Richard
    Type: Article
    In: Ecología austral
    Date: 2011-06-01