TY  - BOOK
AU  - Forouzan, Behrouz A
AU  - Coombs, Catherine
AU  - Fegan, Sophia Chung
TI  - Data communications and networking
SN  - 9780070499355
U1  - 004.6 
PY  - 2003///
CY  - New Delhi
PB  - Tata McGraw Hill Publishing Company Ltd`
ER  -