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By: deGraaf, Dirk A.Type: ArticleIn: The Canadian field-naturalistVolume: 95Series:Issue: 3Date: 1981Page Range: 365--365Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: deGraaf, Dirk A. - Boles, B. - Lovisek, James A.Type: ArticleIn: The Canadian field-naturalistVolume: 95Series:Issue: 3Date: 1981Page Range: 366--367Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: