TY  - BOOK
AU  - Godbole, Achyut, S 
TI  - Data communications and networks 
SN  - 0-07-047297-1 
U1  - 005.71 GOD  
PY  - 2002///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - DATA COMMUNICATION
ER  -