TY  - BOOK
AU  - Heyboer,J.P.
TI  - Transmitting valves : : the use of pentodes, tetrodes and triodes in transmitter circuits / 
PY  - 1951///
CY  - Eindhoven, Holland
PB  - Philips' Technical Library, 
KW  - Philips' Gloeilampenfabrieken
KW  - VÁLVULAS DE TRANSMISIÓN
N1  - Spine title: Electronic valves
ER  -