TY  - BOOK
AU  - Forouzan , Behrrouz A
TI  - Data communications and networking
SN  - 9780070634145
U1  - S/C-S/T D66 ,4:(D6,8(B)) P4,P7 
PY  - 2007///
CY  - New Delhi
PB  - McGraw -Hill
KW  - Data Communications
N1  - Includes Index and Appendix
ER  -