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A national policy for the environment : NEPA and its aftermath
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Air pollution offsets : trading, selling and banking
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Economic disincentives for pollution control : legal, political and administrative dimensions ; contract No 68-01-2203, program element IDA 315, roap/ task 24 ACN-04. Project officer: John A. Jaksch. Prep. for Washington environmental Research Center, Office of reaserch and Development, U.S. Environmental Protection Agency. Environmental law institute. Reprod.
Irwin, William A., (1974)