TY  - BOOK
AU  - Williams 
AU  - Hutchinson, Sara E.
AU  - Sawyer, Stacey C.
TI  - Using information technology : a practical introduction to computers & communications 
SN  - 0256261466
U1  - 004 WIL 1999 
PY  - 1999///
CY  - Boston
PB  - McGraw Hill
KW  - Computers
KW  - Information technology
KW  - Telecommunications systems
N1  - Includes index
ER  -