TY  - BOOK
AU  - Black,Uyless D..
TI  - Data communications and distributed networks / 
SN  - 8120309251
U1  - 004.6 
PY  - 2001///
CY  - New Delhi : 
PB  - Prentice Hall of India , 
KW  - ELECTRONIC COMMUNICATION
KW  - COMPUTER NETWORKS
N1  - Includes index
ER  -