LEADER 00813nam0-22002891i-450- 001 990006817570403321 005 20001010 035 $a000681757 035 $aFED01000681757 035 $a(Aleph)000681757FED01 035 $a000681757 100 $a20001010d--------km-y0itay50------ba 101 0 $aita 105 $ay-------001yy 200 1 $aExploring the black box$etechnology, economics, and history$fNathan Rosenberg. 210 $aCambridge$cCambridge University Press$dc 1994. 215 $a274 p.$d23 cm 676 $a609.73 700 1$aRosenberg,$bNathan$f<1927- >$010455 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990006817570403321 952 $aVI A 1371$b25961$fFSPBC 959 $aFSPBC 996 $aExploring the black box$952068 997 $aUNINA DB $aGEN01