TY  - BOOK
AU  - Williams, Brian K.
AU  -  Sawyer, Stacey C.
TI  - Using Information Technology: 
SN  - 0-07-28829.3-X.
AV  - QA76.5.W5332 
CY  - Boston
KW  -  Information technology
KW  -  Telecommunication systems
KW  - Computer science
KW  - Computers
ER  -