TY  - BOOK
AU  - Forouzan, Behrouz A
AU  - Coombs, Catherine
AU  - Fegan, Sophia Chung
TI  - Data communications and networking
SN  - 0-07-049935-7
U1  - 004.6 21st
PY  - 2003///
CY  - New Delhi
PB  - Tata Mcgraw-Hill
KW  - Data transmission systems; Computer networks
ER  -