LEADER 00992nam0-22003491i-450- 001 990000857660403321 005 20070608121147.0 010 $a0471929107 035 $a000085766 035 $aFED01000085766 035 $a(Aleph)000085766FED01 035 $a000085766 100 $a20020821d1991----km-y0itay50------ba 101 0 $aita 105 $ay-------001yy 200 1 $a<>guide to computer algebra systems$fDavid Harper, Chris Wooff, David Hodgkinson 210 $aChichester$cJohn Wiley & Sons$d1991 215 $aXII, 148 p.$d23 cm 225 1 $aWiley professional computing 676 $a005.3 700 1$aHarper,$bDavid$042291 702 1$aWooff,$bChris 702 1$aHodgkinson,$bDavid 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990000857660403321 952 $a02 53 C 65$b6400$fFINBN 952 $aVI N 61$b20578$fFSPBC 959 $aFINBN 959 $aFSPBC 996 $aGuide to computer algebra systems$9349492 997 $aUNINA