TY  - BOOK
AU  - Sharma,Sanjay
TI  - Data Communication Networks
SN  - 8189757423 (paperback)
U1  - 004.6SHA 
PY  - 2011///
CY  - New Delhi
PB  - S. K. Kataria & Sons (Publishers)
KW  - Computer Science
KW  - Data Communications
KW  - Internet working
UR  - http://www.amazon.com/exec/obidos/ASIN/8189757423/chopaconline-20
ER  -