000 00262nam a2200121Ia 4500
008 211004s9999 xx 000 0 und d
245 _aCHEMISTRY TODAY
260 _c2018-2019
500 _a"10,11,12,1"
500 _a"27,28"
500 _aOCT-JAN
942 _cBV
999 _c21626
_d21626