TY  - BOOK
AU  - EMRYS WILLIAMS,
TI  - THERMIONIC VALVE CIRCUITS
U1  - 621.342/WIL/T.V 
PY  - 1961///
CY  - LONDON
PB  - SIR ISAAC PITMAN AND SONS, LTD
KW  - APPLIED PHYSICS
KW  - ENGINEERING
ER  -