TY  - BOOK
AU  - "Graham Ian"
TI  - Communication
SN  - 0750235144
U1  - 629.23 
PY  - 2001///
CY  - London
PB  - Hodder Wayland
KW  - Design and technology - Book
N1  - Looks at telecommunications, covering topics such as telephone, radio, mobile telephone, radio broadcasting, radar, satellites
ER  -