TY  - BOOK
AU  - Shay,William A.
TI  - UNDERSTANDING DATA COMMUNICATIONS AND NETWORKS
SN  - 053495054X
U1  - 004.6 
PY  - 1999///
CY  - 
PB  - Brooks/Cole Publishing Co., Pacific Grove
KW  - Data Transmission Systems
KW  - Computer Networks
N1  - Includes Index
ER  -