TY  - GEN
AU  - O'Leary, Timothy J
AU  - O'Leary, Linda
TI  - Computing essentials 2004
SN  - 0071198652
U1  - 004 
PY  - 2003///
CY  - Boston
PB  - McGraw Hill/Irwin
KW  - COMPUTER SCIENCE
ER  -