TY  - BOOK
AU  - Forouzan,Behrouz A.
TI  - Data communications and networking.4th Ed.
SN  - 9 780070 634145
U1  - 004.7 FOR 
PY  - 2008///
CY  - New Delhi
PB  - McGraw-Hill
KW  - Data transmission systems
KW  - Computer networks
N1  - Includes index
ER  -