000 00291nam a2200121Ia 4500
100 _aSpencer, Donald D
250 _a2nd ed
942 _cBK
245 _aComputers in action
_bhow computers work
260 _aHayden Book Company, New Jersey
_c1978
082 _a621.38195 Spe
300 _a173
999 _c12109
_d12109