TY  - GEN
AU  - Forouzan,Behrouz A.
AU  - Coombs,Catherine
AU  - Fegan,Sophia Chung
TI  - Data communications and networking 
SN  - 0-07-232204-7
U1  - 004.6 
PY  - 2001///
CY  - Boston
PB  - McGraw-Hill
KW  - Data transmission systems
KW  - Computer networks
ER  -