AU  - ALLEN,JOHN
TI  - TELECOMMUNICATIONS
SN  - 0174482167
U1  - 384/ALL 
PY  - 1992///
CY  - ENGLAND
PB  - THOMAS NELSON AND SONS, LTD.
KW  - TELECOMMUNICATIONS
KW  - HISTORY OF
KW  - RADIO COMMUNICATIONS
KW  - NEWEST TELECOMMUNICATIONS SYSTEMS
KW  - OPTICAL FIBRE SYSTEMS
KW  - MODERN TELECOMMUNICATIONS
ER  -