TY  - BOOK
AU  - ISRD
TI  - Data Communication And Computer Networks
SN  - 139780070616820
U1  - 004.6ISR 
PY  - 2007///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Data communication
KW  - computer networks
UR  - http://books.google.com.pk/books/about/Data_Commn_And_Networks_Isrd.html?id=6rRVfHq3hXoC&redir_esc=y
ER  -