TY  - BOOK
AU  - O'Leary, Timothy J.
TI  - Computing essentials 2010 / Timothy J. O'Leary, Linda I. O'Leary. 
SN  - 9780070172791
U1  - 004 OLE 
PB  - Boston, MA : McGraw Higher Education Hill, 2010. 
KW  - Computers.   Electronic data processing.
ER  -