000 00297nam a2200109Ia 4500
008 210324s1969 xx 000 0 und d
041 _aeng
082 _a540
100 _aKask, Uno
_91576356
245 _aChemistry:Structure and Changes of matter
260 _aN. York
_bBarnes & Noble Inc.,
_c1969
999 _c1024924
_d1024924