TY  - BOOK
AU  - Forouzan, Behrouz A.
TI  - Data Communications and networking: Data Communications and networking / Ed by  Sophia Chung Fegan._4th Ed, New Delhi : Tata Mc Graw Hill Education Pvt. Ltd., 20
U1  - 004.6 
PY  - 2010///
CY  - New Delhi
PB  - Tata Mc Graw Hill Education Pvt. Ltd.
ER  -