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Contrasting the Collective Social Value of Outdoor Recreation and the Substitutability of Nature Areas Using Hot Spot Mapping

出版	University of Leuven, Geo Inst., Department of Earth and Environmental Sciences, Division of Bioeconomics, 2015
URL	http://books.google.com.hk/books?id=vVHPvQEACAAJ&hl=&source=gbs_api