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By: Linnell, John D C - Odden, John - Pedersen, Vegar - Anderson, ReidarType: ArticleIn: The Canadian field-naturalistVolume: 112Series:Issue: 4Date: 1998Page Range: 707--708Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Linnell, John D C - Trouwborst, Arie - Fleurke, FleurType: ArticleIn: Nature ConservationVolume: 21Series:Issue:Date: 2017Page Range: 129-157Publication Info: Pensoft Publishers 2017Subjects: