TY  - BOOK
AU  - Larsen,Egon
AU  - Bridge water,Peter
TI  - Tele communications: a history 
SN  - 0584102984
U1  - 621.3809 
PY  - 0000///Frederick Muller,
PY  - 1977///
CY  - London
KW  - Telecommunication
KW  - History
KW  - Telecommuniting
KW  - Information theory
N1  - Includes index
ER  -