00870nam0-22003131i-450-9900030626004033210-395-18146-1000306260FED01000306260(Aleph)000306260FED0100030626020000920d1974----km-y0itay50------baENGIT<<The >>Economics of Environmental ImprovementDonald T. Savage...[et al.].BostonHoughton Mifflin1974.ix, 210 p.ill.24 cmAmbienteEconomiaPolitica ambientaleH/0.2Savage,Donald T.ITUNINARICAUNIMARCBK990003062600403321H/0.2 SAV6611/ISESSESEconomics of Environmental Improvement465470UNINAING01