000 00299nam a2200109Ia 4500
008 180413s9999 xx 000 0 und d
100 _aLedbetter Elaine W
245 0 _aKeys To Chemistry
260 _bMenlo Park : Addison-Wesley 1977.
546 _aEng
690 _aChemistry ; Matter ; Gases ; Atoms.
999 _c31758
_d31758