000 00298nam a2200109Ia 4500
008 231014s9999 xx 000 0 und d
020 _a0-8264-5734-7
090 _a510.1
100 0 _aAnthony Orton
245 0 0 _aLearning Mathematics - issues, theory and classroom practice
260 _bContinuum
_aLondon
999 _c48
_d48