LEADER 00648nam0 22002531i 450 001 990007263950403321 005 20021010 035 $a000726395 035 $aFED01000726395 035 $a(Aleph)000726395FED01 035 $a000726395 100 $a20021010d--------km-y0itay50------ba 101 0 $aita 200 1 $aNot by theory alone$fBalabkins 210 $as.l.$cDuncker$d1988 700 1$aBalabkins,$bNicholas$0234109 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990007263950403321 951 $aXV C 124$b807 sf$c$dXV C 124 959 $aDTE 996 $aNot by theory alone$9686043 997 $aUNINA DB $aGEN01