TY  - BOOK
AU  - Duuren Jan van
AU  - Kastelein Peter
AU  - Schoute F C
TI  - Telecommunication networks and services
U1  - 621.38195 
PY  - 1992///
CY  - Wokingham
PB  - Addison-Wesley
KW  - Electrical engineering
KW  - Telecommunication networks
ER  -