000			00302nam a22001337a 4500
082			_a540 _bTHO/T
100			_aThomas A.O.
245			_aTextbook of chemistry : _cA.O Thomas
250			_a1
260			_c1979. _bScientific Book Centre,
300			_axv,456p.: _bpb
650			_aChemistry
942			_cBK
999			_c20653 _d20653