TY  - BOOK
AU  - Comer, Dougles E.  .
TI  - Computer network and internets / 
SN  - 81-7808-086-9
U1  - BV 
PY  - 1998///
CY  - Delhi : 
PB  - Pearson Education(Singapore) Pte. Ltd. , 
KW  - Internet
ER  -