000			003150000a22001330004500
245			_aAn introduction to the principles of chemistry
100			_aCragg, L.H.
100			_aGraham, R.P.
260			_aLondon _bGeorge G. Harrap _c1954
300			_aix, 740p.
080			_a54 _bC7
041			_aEN
942			_cBK
999			_c52005 _d52005