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By: Stokesbury, Kevin D. E. - Dadswell, Michael J.Type: ArticleIn: The Canadian field-naturalistVolume: 103Series:Issue: 3Date: 1989Page Range: 388--393Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Stokesbury, Kevin D. E. - Stokesbury, Michael J.W.Type: ArticleIn: The Canadian field-naturalistVolume: 113Series:Issue: 3Date: 1999Page Range: 466--471Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: