000 00341nam a2200145Ia 4500
020 _a0195828550
082 _b3029
_a500.030
100 _a"Cheng,Paul"
245 0 _aExploring Science 1
260 _b,oxford uni press
_asingapore
_c1982
300 _a218
944 _cBK
999 _c136048
_d136048