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Criteria Used for Protection of Natural Areas in Sweden 1909–1986 |
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| Authors: | FRANK GÖTMARK CHRISTER NILSSON |
| Institution: | Department of Zoology, University of Göteborg, Medicinaregatan 18, S-413 90 Göteborg, Sweden;Department of Ecological Botany, University of Umeå, S-901 87 Umeå, Sweden |
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