LEADER 00884nam0-22003011i-450- 001 990000950420403321 010 $a0-262-01063-1 035 $a000095042 035 $aFED01000095042 035 $a(Aleph)000095042FED01 035 $a000095042 100 $a20000920d1980----km-y0itay50------ba 101 0 $aeng 200 1 $aTurtle Geometry$eThe Computer as a Medium for Exploring Mathematics$fHarold Abelson, Andrea A. diSessa 210 $aCambridge [Mass.]$cThe MIT Press$d1980 610 0 $aTeoria della programmazione e utilizzazione dei computers 610 0 $aSoftware 676 $a510.78 700 1$aAbelson,$bHarold$027443 702 1$aDisessa,$bAndrea 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990000950420403321 952 $a8B-156$b13665$fFI1 959 $aFI1 996 $aTurtle Geometry$9357384 997 $aUNINA DB $aING01