TY  - BOOK
AU  - Williams, Brian K.,
AU  - Sawyer, Stacey C.
TI  -  Using information technology: a practical introduction to comput ers & communications 
SN  - 9780073516752 (alk. paper)
U1  - 004  22
PY  - 2011///
CY  - Boston
PB  - McGraw Hill
KW  - Computers
KW  - Telecommunication systems
KW  - Information technology
N1  - Complete version; Includes bibliographical references (p. 535-555) and index
ER  -