000 00343nam a2200145Ia 4500
020 _a0-7487-1738-2
082 _b882
_a540
100 _a"Ramden E.N."
245 0 _aCalculation For Gcse Chemistry
260 _bSTANLEY THORNES
_aENGLAND
_c2011
300 _a95
944 _cTR
999 _c49780
_d49780