TY  - BOOK
AU  - Black, Uyless D
AU  - Black, Uyless D
TI  - Data communications and distributed networks
SN  - 81203-0925-1
U1  - 004.7 BLA 
PY  - 2000///
CY  - New Delhi
PB  - PHI
KW  - Data communications
KW  - Distributed networks
ER  -