000 00343nam a2200145Ia 4500
020 _a9780748717385
082 _b472
_a540
100 _a"Ramsden, E.N."
245 0 _aCalculatons for GCSE Chemistry
260 _bStanley Thornes
_aNA
_c1987
300 _a95
944 _cBK
999 _c516053
_d516053