TY  - BOOK
AU  - Comer Douglas E. 
TI  - Internetworking with tcp/ip principles, protocols , and architecture 
SN  - 978-81-203-2553-1 
U1  - 004.678 
PY  - 2011///
CY  - New delhi
PB  -  Phi Pub. 
KW  - Engineering
ER  -