Variations of apparent bearings of radio transmitting stations. Part I, Observations on fixed stations : February, 1921 - March, 1922 /
| Hlavní autor: | |
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| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
| Vydavatel: |
London :
His Majesty's Stationery Office,
1924.
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| Edice: |
Radio research board ;
Special report No. 2 |
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