00921nam0-22002771i-450 99000640861040332120230123174937.01-85701-004-3paperback1-85701-003-5hardback20000214d1992----km-y0itay50------baengGBy-------001yy<<The >>Effectiveness of international environmental agreementsa survey of exsisting legal instrumentsedited by Peter H. SandCambridgeGrotius1992539 p.30 cm341.76220itSand,Peter H.UNITED NATIONS CONFERENCE ON ENVIRONMENT AND DEVELOPMENTRio de Janeiro1992ITUNINARICAUNIMARCBK990006408610403321X G 32637647*FGBCFGBCEFFECTIVENESS of international environmental agreements626266UNINA