01106nam a22002651i 450099100206419970753620040122094620.0040407s2002 it |||||||||||||||||eng b12865394-39ule_instARCHE-084501ExLDip.to Scienze StoricheitaA.t.i. Arché s.c.r.l. Pandora Sicilia s.r.l.338.9Piga, Claudio136777Cooperation in R&D and sample selection /Claudio Piga and Marco VivarelliMilano :Fondazione ENI Enrico Mattei,200220 p. ;21 cmNote di lavoro della Fondazione ENI Enrico Mattei ;49.2002Politica economicaVivarelli, Marcoauthorhttp://id.loc.gov/vocabulary/relators/aut116588.b1286539402-04-1416-04-04991002064199707536LE009 GEOG.COLL.14I/4912009000317451le009-E0.00-l- 00000.i1342611416-04-04Cooperation in R&D and sample selection1448559UNISALENTOle00916-04-04ma -engit 01