TY  - BOOK
AU  - Forouzan, Behrouz A
TI  - Data communications and networking
SN  - 0070634149
U1  - 004.6 FOR 4th,ed.
PY  - 2006///
CY  - New Delhi India 
PB  - The McGraw- Hill Companies 
KW  - Engineering/Maths
ER  -