TY  - BOOK
AU  - Derfler, F.F.
AU  - 
TI  - Practical networking
SN  - 8120316614
U1  - 004.65 
PY  - 2000///
CY  - New Delhi
PB  - Prentice Hall 
KW  - Computer networks
KW  - Local area networks (Computer networks)
ER  -