TY  - GEN
AU  - Haag, Stephen
AU  - Cummings, Maeve
AU  - Rea, Alan I
TI  - Computing concepts
SN  - 0072834110 (10)
U1  - 004 
PY  - 2004///
CY  - Boston
PB  - McGraw Hill
KW  - Electronic data processing
ER  -