01268nam a22002771i 450099100211157970753620040126140548.0040407s2003 it |||||||||||||||||eng b12872386-39ule_instARCHE-085200ExLDip.to Scienze StoricheitaA.t.i. Arché s.c.r.l. Pandora Sicilia s.r.l.363.7Bretschger, Lucas252910Sustainability and substitution of exhaustible natural resources :how resource prices affect long-term R&D investments /Lucas Bretschger and Sjak SmuldersMilano :Fondazione ENI Enrico Mattei,20031 v. ;21 cmNote di lavoro della Fondazione ENI Enrico Mattei ;87.2003Politica ambientaleAspetti economiciRisorse naturaliSmulders, Sjakauthorhttp://id.loc.gov/vocabulary/relators/aut301991.b1287238602-04-1416-04-04991002111579707536LE009 GEOG.COLL.14L/8712009000318144le009-E0.00-l- 00000.i1343336216-04-04Sustainability and substitution of exhaustible natural resources1448643UNISALENTOle00916-04-04ma -engit 01