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  1. By: Nellis, Carl H. - Pakulak, Allan J
    Type: Article
    In: The Canadian field-naturalist
    Volume: 83
    Issue: 4
    Date: 1969
    Page Range: 397--399
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Cooke, F. (Fred) - Ross, R K - Schmidt, R. K. - Pakulak, Allan J
    Type: Article
    In: The Canadian field-naturalist
    Volume: 89
    Issue: 4
    Date: 1975
    Page Range: 413--422
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Davis, Rolph A - Jones, Rene N - Macinnes, Charles D - Pakulak, Allan J
    Type: Article
    In: The Wilson bulletin
    Volume: 97
    Issue: 3
    Date: 1985
    Page Range: 296--305
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-