000 00336nam a2200145Ia 4500
020 _a9810107285
082 _b1309
_a-
100 _a"Hall, Godfrey"
245 0 _aTimes 1000 words of science and maths
260 _aSingapore
_c1997
300 _a96
944 _cTB
999 _c643534
_d643534