000 00270nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aPARKER (CHARLES S)
245 0 _aUNDERSTANDING COMPUTER & DATA PROCESSING : TODAY & TOMORROW
260 _bHOLT RINEH ART
942 _2ddc
999 _c94714
_d94714