Public policy toward environment 1973 a review and appraisal Pregel, Boris text xx New York New York Academy of Sciences 1973 19uu monographic eng
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202 p. : ill Papers from conference held by the World Academy of Art and Science and the American Geographical Society on April 27-May 2, 1970 in New York City editorial advisory board, Boris Pregel...=et al.=. Environmental policy Congresses Science Social aspects Congresses Annals of the New York Academy of Sciences; v.216 110322 20190520021255.0