000 00271nam a2200121Ia 4500
008 211209s1976 xx 000 0 und d
041 _aeng
082 _a541.2 N74 ROC
100 _aROCHOW
245 _aCHEMISTRY MOLECULES THAT MATTER
260 _c1976
300 _a668
999 _c11986
_d11986