S.P., T., & Veer, A. A. d. (1982). Perspective in landscape ecology: Proceedings of the International Congress Organized by the Netherlands Society for landscape ecology, Veldhoven, the Netherlands, April 6-11, 1981. Centre for Agricultural Pub. and Documentation.
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Tohutoro MLA (9th ed.)S.P., Tjallingii, me A. A. de Veer. Perspective in Landscape Ecology: Proceedings of the International Congress Organized by the Netherlands Society for Landscape Ecology, Veldhoven, the Netherlands, April 6-11, 1981. Centre for Agricultural Pub. and Documentation, 1982.