TY  - BOOK
AU  - Griffiths,J.M.(John M.)
ED  - Institution of Electrical Engineers
TI  - Local telecommunications 2: into the digital era 
SN  - 0863410804
PY  - 1988///
CY  - London
PB  - Peter Peregrinus
KW  - Telephone
KW  - United Kingdom
KW  - Telecommunication systems
ER  -