TY  - GEN
AU  - Derfler, Frank J.
AU  - Freed, Les
TI  - How networks work
SN  - 8176352586
U1  - 004.65 
PY  - 1999///
CY  - Darya Ganj
PB  - Techmedia
KW  - Computer science
KW  - Data processing
KW  - Interfacing and communications
KW  - Communication network architecture
ER  -