00349nam a2200133Ia 4500008004100000041000800041082001500049100002900064245004000093260003800133300000800171650001500179999002100194240109s9999    xx            000 0 und d  aeng  a621.381958  aLeach Donald/Malvino A.P  aDigital Principles and Applications  bTata Mcgrawhill Pub Co, NewDelhi   a683  aManagement  c1027362d1027362