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100   $a20060315d1992----km-y0itay50------ba
101 0 $aeng
102   $aIT
105   $ay-------001yy
200 1 $aTechnological change, technological systems, factors of production$fby Gilberto Antonelli, Giovanni Pegoretti
210   $aTrento$cUniversità degli studi di Trento$dstampa 1992
215   $a41 p.$d24 cm
225 1 $aDiscussion paper$v4
304   $aTitolo tratto dalla copertina
676   $a338$v12 rid.$zita
700  1$aAntonelli,$bGilberto$f<1948- >$089673
701  1$aPegoretti,$bGiovanni$03696
801  0$aIT$bUNINA$gRICA$2UNIMARC
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952   $aC 347$bs.i.$fDSS
959   $aDSS
996   $aTechnological change, technological systems, factors of production$9745963
997   $aUNINA