00353nam a2200145Ia 450000500170000000800410001704100080005808200100006610000140007624500590009026400200014930000180016965000060018765500140019320260914083108.0260914s9999    xx            000 0 und d  aeng  a004.21 aMICROSOFT10aMicrosoft Cobol Version 4.5 : Language Reference Vol.2  bMicrosoftc1991  a- hlm.c22 cm 4a0  aGrade 7-9