000 00322nam a2200145Ia 4500
020 _a981-235-048-9
082 _b903
_a540
100 _a"McElroy Mark"
245 0 _aO Level Chemistry
260 _bLongman
_aUK
_c1990
300 _a347
944 _cTR
999 _c697942
_d697942