01003nam0-22003371i-450-9900031403404033210-8018-1446-4000314034FED01000314034(Aleph)000314034FED0100031403420000920d1972----km-y0itay50------baENGITNatural EnvironmentsStudies in Theoretical and Applied Analysisedited by John V. Krutilla.Baltimore\<<The>> \Johns Hopkins University Press for Resources for the Future1972.viii, 352 p.ill.23 cmAmbienteEconomiaRisorse naturaliStati UnitiF/1.221H/0.1Krutilla,John V.Resources for the FutureITUNINARICAUNIMARCBK990003140340403321H/0.1 NAT5568/ISESSESNatural Environments455541UNINAING01