000 00261nam a2200121Ia 4500
008 211209s1970 xx 000 0 und d
041 _aeng
082 _a540 N68 TUR
100 _aTURK
245 _aINTRODUCTION TO CHEMISTRY
260 _c1970
300 _a577
999 _c14417
_d14417