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By: Williams, D. DudleyType: ArticleIn: The Canadian field-naturalistVolume: 90Series:Issue: 2Date: 1976Page Range: 193--195Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Williams, D. Dudley - Williams, Nancy E.Type: ArticleIn: The Canadian field-naturalistVolume: 90Series:Issue: 4Date: 1976Page Range: 410--415Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: