TY  - BOOK
AU  - Black, Uyless D.
TI  - Data communications and distributed networks
SN  - 8120309251
U1  - 004.6 
PY  - 2000///
CY  - New Delhi
PB  - ; Prentice Hall Of India
KW  - Computer Networks
KW  - Data Commucation
KW  - Networking
ER  -