00941nam0-22003011i-450-99000685593040332120001010000685593FED01000685593(Aleph)000685593FED0100068559320001010d--------km-y0itay50------baitay-------001yyCo-operation vs. free riding in international environemtnal affairstwo approachesHenry Tulkens.MilanoFondazione Eni Enrico Mattei1997.25 p.21 cmNote di lavoro della Fondazione ENI Enrico Mattei47333.72Tulkens,Henry253323ITUNINARICAUNIMARCBK990006855930403321COLLEZ. 1703 (47)30750FSPBCFSPBCCo-operation vs. free riding in international environemtnal affairs624646UNINAGEN01