TY  - BOOK
AU  - Williams, Brian K.
AU  - Sawyer, Stacey C.
TI  - Using information technology: a practical introduction to computers and communications / 
SN  - 9781259255663
U1  - CIR 004 W670u 2015 
PY  - 2015///
CY  - New York
PB  - Mc Graw Hill
KW  - Telecommunication systems
KW  - Information technology
KW  - Computers
N1  - Includes index
ER  -