00270nam a2200109Ia 4500008004100000100002800041245003300069260002600102300000800128942000700136999001700143161022s9999    xx            000 0 und d  a"Cave Frank E, Terrell"  aDigital Technlogy With Micro  bReston Pub. Comc1981  a372  cBK  c54706d54706