000 00341nam a2200145Ia 4500
008 210210b1949 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a540.2 BIRH
100 _aBIRCH (Arthur J)
245 _aHow chemistry works
260 _aLondon
_bSigma Books Ltd.
_c1949
300 _a218
690 _aChemistry
906 _a009167
999 _c116249
_d116249