00369nam a2200133Ia 4500008004100000020001500041041000800056082001800064100003500082245004500117250000600162260005300168300001400221210716s1989    xx            000 0 und d  a8120402642  aeng  a004.0285 KHAE  aKhan, Emdad H; Sharma, Anil K.  aComputer and data processing with basic.  a1  aNew DelhibOxford & IBH publishing co. ltdc1989  a544, A-23