TY  - BOOK
AU  - O'Leary,Timothy J.
AU  - 
TI  - Computing Essential : : introductory edition
SN  - 0072519592
U1  - 004 23
PY  - 2003///
CY  - New York : 
PB  - McGraw-Hill , 
KW  - Electronic data processing - Periodicals
ER  -