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By: Sanders, Christopher J.Type: ArticleIn: The Canadian field-naturalistVolume: 84Series:Issue: 2Date: 1970Page Range: 131--135Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Sanders, Christopher J.Type: ArticleIn: The Canadian field-naturalistVolume: 107Series:Issue: 2Date: 1993Page Range: 196--200Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: