00842nam0-22003011i-450-990003727530403321200010100-8476-7448-7000372753FED01000372753(Aleph)000372753FED0100037275320000920d1986----km-y0itay50------baitay-------001yyValuing enviromental goodsAn assestament of the contingent valutation methodR.Cummings , D.BrookshireU.S.A.Rowman & Allanheld1986269p.25cmBrookshire,D.Cummings,R.ITUNINARICAUNIMARCBK990003727530403321Q2-Q4.47469DECTSDECTSValuing enviromental goods501234UNINAING01