TY  - BOOK
T1  - Electron tubes in industry
A1  - Henney, Keith
LA  - English
PP  - New York, London
PB  - McGraw-Hill
YR  - 1937
ED  - 2nd ed
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.7218
OP  - 539
KW  - VALVULAS ELECTRONICAS
ER  -