TY  - BOOK
AU  - Hahn, Harley 
TI  - Harley hahn's internet yellow pages 2003 
SN  - 0-07-053069-6 
U1  - 004.62 HAH  
PY  - 2003///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - COMPUTER NETWORK
ER  -