Characteristics of the Ionosphere at Washington, D.C., July, 1938.
| Autor: | Gilliland, T.R., Kirby, S.S., Smith, N. |
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| Zdroj: | Proceedings of the Institute of Radio Engineers; 1938, Vol. 26 Issue 9, p1171-1174, 4p |
| Databáze: | Complementary Index |
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