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U.S. Fish and Wildlife Service's Mammalian Predator Damage Management for Livestock Protection in the Western United States
U.S. Fish and Wildlife Service
出版Department of the Interior, Fish and Wildlife Service, 1979
URLhttp://books.google.com.hk/books?id=EIz6MTJudscC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN