TY  - BOOK
AU  - Williams,Brian .K,Sawyer S.C
TI  - Using information technology a practical introduction to computers and communication
SN  - 139780070607491
AV  - SBL QA 76.5 W 55 2005
PY  - 2005///
CY  - New York
PB  - McGraw-Hill 
KW  - computers
KW  - Telecommunication systems
KW  - Information Technology
ER  -