TY  - BOOK
AU  - Derfler F J
AU  - Derfler F J & Freed L
TI  - How networks work
SN  - 81-7635-258-6
U1  - 004.65 
PY  - 1999///
CY  - New Delhi
PB  - Techmedia publications
KW  - Computer Management
N1  - Networking; Networking
ER  -