TY  - BOOK
AU  - Markus,N.S.
AU  - Otte,J.
TI  - Data and circuits of radio recevier an amplifier valves, 
PY  - 1952///
CY  - Eindhoven, Holland, Houston
PB  - Philips Technical Library, Elsevier Press [distributor] : 
KW  - Philips' Gloeilampenfabrieken
KW  - TUBOS AL VACÍO
KW  - AMPLIFICADORES, TUBOS AL VACÍO
KW  - CIRCUITOS, TUBOS AL VACÍO
N1  - Spine title: Electronic valves
ER  -