000 00325nam a2200121Ia 4500
100 _aWalsh, John E. & Goffin, Dianne M.
020 _a0-273-04209-2
942 _cBK
245 _aInformations
_ban introducation to data processing
260 _aPitman publishing, Toronto
_c1976
082 _a001.64 Wal/Gof
300 _aVii,286
999 _c14080
_d14080