000 00288nam a2200121Ia 4500
008 211209s1977 xx 000 0 und d
041 _aeng
082 _a541.2 N79 CAR/FOW
100 _aCARTMELL E
245 _aVALENCY AND MOLECULAR STRUCTURE
260 _bE L B S
_c1977
300 _a348
999 _c19065
_d19065