TY  - BOOK
AU  - Black, Uyless.
TI  - Computer networks: protocols, standards and interpaces
SN  - 81-203-1041-1.
U1  - 004.6 
PY  - 1993///,
CY  - New Delhi: 
PB  - Prentice Hall of India Ltd. 
KW  - Computer networks
KW  - Communication network
ER  -