TY  - BOOK
AU  - O'LEARY,TimothyJ.
AU  - O'LEARY, Linda 
TI  - Computing essentials 2004
SN  - 0072519592 
PY  - 2003///
CY  - Boston 
PB  - McGraw-Hill
KW  - Electronic data processing
N1  - Includes index
ER  -