00980nam0-22003011i-450-99000685845040332120001010000685845FED01000685845(Aleph)000685845FED0100068584520001010d--------km-y0itay50------baitay-------001yyExternalities, collective goods and the requirement of a state's intervention in pollution abatementFranČ¯is Leveque.MilanoFondazione Eni1997.17 p.21 cmNote di lavoro della Fondazione ENI Enrico Mattei20338.5Leveque,Franis411539ITUNINARICAUNIMARCBK990006858450403321COLLEZ. 1703 (20)30604FSPBCFSPBCExternalities, collective goods and the requirement of a state's intervention in pollution abatement624520UNINAGEN01