Ziel, A. van der. |
Induced grid noise and total emission noise / by A. van der Ziel and A. Versnel |
[S.l. : s.n., 1948?] |
Versnel, A. |
Magnetron sans aimant / par A. Versnel |
[S.l. : s.n., 1957?] (Vesoul : Impr. M. Bon) |
Ziel, A. van der. |
Measurements of noise-factors of pentodes at 7.25 M wavelength / by A. van der Ziel and A. Versnel |
[S.l. : s.n., 1948?] |
Ziel, A. van der. |
The noise factor of grounded-grid valves / by A. van der Ziel and A. Versnel |
[S.l. : s.n., 1948?] |