000 00238nam a2200109Ia 4500
008 240914s9999 xx 000 0 und d
245 _aCHEMISTRY TODAY
260 _c2023-2023
500 _a"9,10,11,12"
500 _aSEP-DEC
942 _cBV
999 _c24490
_d24490