TY  - BOOK
AU  - Williams,Brian K.
AU  - Sawyer,Technology C.
TI  - Using information technology: : a practical introduction to computers and communications 
SN  - 9780071107686
U1  - 004 
PY  - 2007///
CY  - Boston
PB  - McGraw-Hill
KW  - Computers
KW  - Telecommunications systems
KW  - Information technology
N1  - 000-099; 004
ER  -