000 00249nam a2200097Ia 4500
008 230213s9999 xx 000 0 und d
020 _a9780073655567
100 _aO`LEARY, TIMOTHY J
_9106543
245 0 _aCOMPUTING ESSENTIALS 1999-2000
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c744429
_d744428