000 00234nam a2200109Ia 4500
008 240914s9999 xx 000 0 und d
245 _aCHEMISTRY TODAY
260 _c2023-2023
500 _a"6,7,8"
500 _aJUNE-AUG
942 _cBV
999 _c24489
_d24489