00261nam a2200109Ia 4500008004100000020001500041041000800056100001900064245003100083260002900114300000800143211209s2008    xx            000 0 und d  a8131505809  aeng  aSHELLY, GARY B  aINTRODUCTION TO COMPUTERS   aNEW DELHIbCENGAGEc2008  a344