000 00323nam a2200145Ia 4500
020 _a0195775880
082 _b29
_a500
100 _a"Cheng,Paul"
245 0 _aEXPLORING SCIENCE 2
260 _b,oxford
_akarachi
_c1995
300 _a224
944 _cTR
999 _c599380
_d599380