TY  - GEN
AU  - Williams,Brian K.
AU  - Sawyer,Stacey C.
TI  -  Using information technology: a practical introduction to computers & communications
SN  - 0072485558
PY  - 2003///
CY  - New York, NY
PB  - McGraw-Hill
KW  - Computers
KW  - Telecommunication systems
KW  - Information technology
ER  -