TY  - BOOK
AU  - Comer,Douglas E, Schafer, Ronald W
AU  - x
TI  - Computer networks and internets: with internet applications
SN  - 8129703300 
U1  - 004.6/C734c 
PY  - 2004///
CY  - Delhi
PB  - Pearson Education
KW  - Computer networks
KW  - Computers
ER  -