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Updated Estimates for Recreation and Preservation Values Associated with the Salmon and Steelhead of the Fraser River

Philip A. Meyer

出版	Habitat Protection Directorate, Pacific Region, Fisheries and Marine Service, Fisheries and Environment Canada, 1978
URL	http://books.google.com.hk/books?id=M_MfCgSsMPYC&hl=&source=gbs_api