000 003790000a22001450004500
245 _aInteractive mathamatics: activities & investigations
260 _aNew York
_bGlenco McGrawHill
_c1995
300 _aviii, 48p.: photos (col.)
440 _aUnit 17 Infinite Windows
020 _a0028245199
080 _a51
_bI6
650 _aMATHEMATICS
041 _aEN
942 _cBK
999 _c30087
_d30087