LEADER 00868nam0 22002771i 450 001 990007334690403321 005 20021010 035 $a000733469 035 $aFED01000733469 035 $a(Aleph)000733469FED01 035 $a000733469 100 $a20021010d--------km-y0itay50------ba 101 0 $aita 200 1 $a<>role of Demand and Supply in the generation and diffusion of technical change$fThirtle$gRuttan 210 $aU.S.A.$cHorwood$d1987 215 $a163 p.$d22 cm 225 1 $aFoundamentals of pure and applied economics 700 1$aThirtle,$bColin G.$088977 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990007334690403321 951 $aXV O2 292$b15321$c$dXV O2 292 959 $aDTE 996 $aRole of Demand and Supply in the Generation and Diffusion of Technical Change$9394670 997 $aUNINA DB $aGEN01