01161nam0-22003731i-450-99000545988020331620010829120000.0000545988USA01000545988(ALEPH)000545988USA0100054598820010829d1983-------|0enac50------baengUS|||| |||||environment natural systems and developmentan economic valutation guideMaynard M. Hufschmidt...[et al]BaltimoreThe John Hopkins University Press1983338graf.23 cm.Politica ambientaleFIBaltimore363.70521HUFSCHMIDT,Maynard M.THE JOHN HOPKINS UNIVERSITY PRESSITSOL20120104990005459880203316DIP.TO SCIENZE ECONOMICHE - (SA)DS 300 363.705 huf2131 DISES300 363.705 huf2131 DISESBKDISES20121027USA01153220121027USA011613Environment natural systems and development1127812UNISAUSA6045