000 00274nam a2200109Ia 4500
008 160710s1985 xx 000 0 und d
100 _aBEHSHTI,AND MATTSON,M.R
245 _aDATA PROCESSING A USER,S APPROACH
260 _bRESTON PUB
_c1985
300 _a551
942 _2ddc
_cD
999 _c70317
_d70317