Quellen - References
Bab |
58 |
Bernard B. Babani, International Radio Tube Encyclopædia, 3rd Edition 1958 |
Mik |
60 |
Pjotr Mikolajczyk, Universal Vade-Mecum Electronic Tubes and Semiconductor Elements, Edition 1960 |
Rvd |
54 |
Radio Valve Data, Characteristics of 2,000 Valves and Cathode-Ray Tubes, Compiled by the Staff of 'Wireless World', Fourth Edition 1954 |