TY  - BOOK
AU  - Williams,Brian K.
AU  - Sawyer,Stacey C.
TI  - Using information technology: a practical introduction to computers & communications 
SN  - 9781259255663
AV  - QA 76.5 .S2193 2010
U1  - 004 22
PY  - 2010///
CY  - New York, NY
PB  - McGraw-Hill Companies
KW  - Computers
KW  - Telecommunication systems
KW  - Information technology
N1  - Includes bibliographical references (p. 400-412) and index
ER  -