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"Sources and methods for cryptologic history: Research at the US National ..."
Betsy Rohaly Smoot, Robert J. Hanyok (2020)
- Betsy Rohaly Smoot, Robert J. Hanyok:
Sources and methods for cryptologic history: Research at the US National Archives-the "Big Two" Record Groups. Cryptologia 44(2): 172-196 (2020)
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