000 00241nam a2200109Ia 4500
008 190129s9999 xx 000 0 und d
100 _aWALKENBACH(JOHN)
245 0 _aMICROSOFT EXCEL 2014
250 _a1
260 _bWILEY
_c2013
942 _cBK
999 _c8098
_d8098