000 00351nam a2200145Ia 4500
020 _a0-19-914243-2
082 _bT-313
_a510
100 _a"Sadler,A.J"
245 0 _aUnderstanding Pure Mathematics
260 _b,Oxford uni press
_anew york
_c1987
300 _a602
944 _cTB
999 _c672079
_d672079