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100   $a20030910d1989----km-y0itay50------ba
101 0 $aeng
102   $aUS
200 1 $aUsing surveys to value public goods$ethe contingent valuation method$fRobert Cameron Mitchell, Richard T. Carson
210   $aWashington$cResorces for the Future$d1989
215   $aXIX, 463 p.$d23 cm
610 0 $aAmbiente - tutela - sviluppo sostenibile
700  1$aMitchell,$bRobert Cameron$089425
702  1$aCarson,$bRichard T.
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990002111850403321
952   $a62 339.5 MIT$bDEPA 8376$fDAGEA
959   $aDAGEA
996   $aUsing surveys to value public goods$9395100
997   $aUNINA