TY  - BOOK
AU  - "O'Leary, Timothy J."
AU  - "O'Leary, Linda I."
TI  - Computing essentials 2002-2003
SN  - 0-07-112479-9
U1  - 004 
PY  - 2002///
CY  - U.S.A.
PB  - McGraw Hill
ER  -