000 00237nam a2200109Ia 4500
008 240914s9999 xx 000 0 und d
245 _aCHEMISTRY TODAY
260 _c2023-2023
500 _a"1,2,3,4,5"
500 _aJAN-MAY
942 _cBV
999 _c24488
_d24488