000 00628 a2200277 4500
001 37758
020 _a0-262-01063-12
041 _aeng
080 _a513:681.3 Abe
245 _aTurtle geometry : the computer as a medium for exploring mathematics
250 _a
260 _aCambridge
260 _bMIT Press,
260 _c1980
300 _axx,477 p.
300 _c24 cm
490 _a
100 _aAbelson, Harold
700 _aDiSessa, Andrea A.
700 _a
650 _a
650 _aGeometry-Study and teaching
650 _aComputer-assisted instruction- Congresses
942 _cBK
942 _2UDC
999 _c122833
_d122833