TY  - BOOK
AU  - HALSALL,Fred
TI  - Data Communications, Computer Networks and Open Systems
SN  - 0201565064
U1  - 004.6 HAL 
PY  - 1992///
CY  - England
PB  - Addison- Wesley Publishing Company
KW  - Data Communication
KW  - Computer Network
KW  - Wde Area
N1  - Includes Index
ER  -