TY  - BOOK
AU  - Williams,Brian K.
AU  - Sawyer,Stacey C.
TI  - Using information technology: a practical introduction to computers & communications 
SN  - 0072260718 (pbk.)
PY  - 2007///
CY  - Boston, Mass.
PB  - McGraw-Hill/Irwin
KW  - Computers
KW  - Telecommunication systems
KW  - Information technology
N1  - Includes bibliographical references (p. 541-552) and index
ER  -