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By: Boonstra, Rudy - Sinclair, Anthony R. E.Type: ArticleIn: The Canadian field-naturalistVolume: 98Series:Issue: 1Date: 1984Page Range: 12--21Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Hoyle, James A. - Boonstra, RudyType: ArticleIn: The Canadian field-naturalistVolume: 100Series:Issue: 4Date: 1986Page Range: 537--544Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: