TY  - BOOK
AU  - Williams,Brian K.
AU  - Sawyer,Stacy C.
TI  - Using information technology: a practical introduction to computers & communications 
SN  - 0071221399 :
PY  - 2011///
CY  - New York
PB  - McGraw-Hill
KW  - Computers
KW  - Information technology
KW  - Telecommunication systems
ER  -