000 00336nam a2200145Ia 4500
020 _a0602251958
082 _bT295
_a500
100 _a"GINN"
245 0 _aGinn mathematics. 6+
260 _bLexington, Mass; Ginn and Company
_c1990
300 _a39
944 _cTB
999 _c514521
_d514521