000 00348nam a2200145Ia 4500
020 _a9971638932
082 _b225
_a540
100 _a"Blackburn, Peter"
245 0 _aPacific O Level Guide Chemistry
260 _bPan Pacific
_aSingapore
_c1990
300 _a250
944 _cBK
999 _c129750
_d129750