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By: Parker, Gerald R. - Maxwell, J. W.Type: ArticleIn: The Canadian field-naturalistVolume: 94Series:Issue: 1Date: 1980Page Range: 1--8Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Parker, Gerald R. - Maxwell, J. W.Type: ArticleIn: The Canadian field-naturalistVolume: 98Series:Issue: 3Date: 1984Page Range: 293--304Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Parker, Gerald R. - Maxwell, J. W.Type: ArticleIn: The Canadian field-naturalistVolume: 103Series:Issue: 1Date: 1989Page Range: 1--11Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: