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By: Hoefs, Manfred - Nowlan, UliType: ArticleIn: The Canadian field-naturalistVolume: 107Series:Issue: 2Date: 1993Page Range: 241--243Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Hoefs, Manfred - Nowlan, UliType: ArticleIn: The Canadian field-naturalistVolume: 111Series:Issue: 4Date: 1997Page Range: 647--648Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Hoefs, Manfred - Nowlan, UliType: ArticleIn: The Canadian field-naturalistVolume: 112Series:Issue: 3Date: 1998Page Range: 539--540Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: