TY  - BOOK
AU  - Gralla,Preston, x
AU  - x
TI  - How the internet works: x
SN  - 8176354374
U1  - R001.642/G744h 
PY  - 2000///
CY  - New Delhi
PB  - Techmedia
KW  - Internet
N1  - includes
ER  -