000 00325nam a2200145Ia 4500
020 _a0195775880
082 _b2164
_a500
100 _a"Cheng,Paul"
245 0 _aExploring science 2
260 _b,oxford
_akarachi
_c1995
300 _a224
944 _cTR
999 _c525097
_d525097