TY  - GEN
AU  - O'LEARY,T,J.
AU  - O'LEARY, L. I.
TI  - Computing Essentials Introductory
SN  - 0-07-226111-0
U1  - 004 O'LE 
PY  - 2006///
CY  - New York
PB  - Mcgraw- Hill Companies,Inc
ER  -