000 00258nam a2200121Ia 4500
008 230926s9999 xx 000 0 und d
245 _aMATHEMATICS TODAY
260 _c2022-2022
500 _a"5,6,7,8,9"
500 _aMAY-SEP
500 _aXL
942 _cBV
999 _c24129
_d24129