Raadiomangud Eestis Teise maailmasoja ajal ja jarel VIII.
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- Tuna, 2010, n. 3, p. 101
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- Article
Works matching DE "RADIO in espionage"
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From the Archives: The U.S. and West German Agent Radio Ciphers.
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- Cryptologia, 2007, v. 31, n. 4, p. 343, doi. 10.1080/01611190701578104
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- Article