TY  - BOOK
AU  - Brian K.  Williams, 
AU  - Stacey C. Sawyer.
TI  - Using information technology: A practical   introduction to computers & communications 
SN  - 9780072260717
AV  - QA 76.5.S21 2007 8926
PY  - 2007///
CY  - Boston
PB  - McGraw-Hill Irwin
KW  -  1.Computers. 2.Telecommunication systems.  3. Information technology.
N1  - Includes bibliographical references  and index.

ER  -