TY  - GEN
AU  - Derfler, Frank J
AU  - Freed, Les
TI  - How networks work
SN  - 8176352586
U1  - 004.65 
PY  - 1999///
CY  - New Delhi
PB  - Techmedia
KW  - COMMUNICATION
KW  - COMPUTER NETWORKS
KW  - COMPUTER SCIENCE
KW  - NETWORKS
ER  -