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Measures for the Restoration and Enhancement of Quality of Freshwater Lakes
United States. Environmental Protection Agency. Division of Water Quality and Non-point Source Control
出版U.S. Environmental Protection Agency, 1973
ISBN03090211389780309021135
URLhttp://books.google.com.hk/books?id=gy_LEuUkOtMC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN
註釋Discusses aspects of objective knowledge such as the evolution of beliefs, the inadequacies of learning, and the value of philosophy.