000 00344nam a2200145Ia 4500
020 _a0201133229
082 _b2358
_a500
100 _a"NA"
245 0 _aEarly Mathematical Experience
260 _bAddison Wesley Longman Limited
_aUK
_c1998
300 _a24
944 _cBK
999 _c702592
_d702592