TY  - BOOK
AU  - Forouzan,Behrouz A
AU  - Fegan, Sophia Chung 
TI  - Data Communications and Networking
SN  - 9780070634145
U1  - 005.71 BEH/DA 
PY  - 2012///
CY  - New Delhi
PB  - Tata McGraw Hill Education Pvt Ltd
ER  -