TY  - GEN
AU  - Redmill, F.J.
AU  - Valdar, A.R.
TI  - SPC : : digital telephone exchanges
SN  - 0863411479
PY  - 1990///
CY  - London
PB  - Peter Peregrinus
KW  - TELECOMMUNICATION SYSTEMS
KW  - DIGITAL COMMUNICATION SYSTEMS
KW  - TELEPHONE EXCHANGES
KW  - STORED PROGRAM CONTROLLED NETWORKS
ER  -