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Start of the Digital Revolution : SIGSALY; Secure Digital Voice Communications in World War II /
Information about secure digital voice communications in World War II.
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| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
[Place of publication not identified]
Center for Cryptologic History, NSA,
2009.
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| Acceso en línea: | Texto completo (Requiere registro previo con correo institucional) |
| Sumario: | Information about secure digital voice communications in World War II. |
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| Notas: | Title from content provider. |
| Descripción Física: | 1 online resource |