TY  - BOOK
ED  - Wireless World Comp.
TI  - Radio valve data: characteristics of 4,800 valves, transistors, rectificers and cathode-ray tubes
U1  - 621.38413 
PY  - 1958///
CY  - London
PB  - Iliffe Books
KW  - Radio instruments
KW  - Radio valve
ER  -