000 00378nam a2200145Ia 4500
020 _a9780304700523
082 _b.2419
_a370.71
100 _a"Orton, Anthony"
245 0 _aPattern in the teaching and learning of mathematics
260 _b,Cassell London and New York
_c1999
300 _a0
944 _cBK
999 _c390183
_d390183