Cite
HARVARD Citation
Boersma, S. (2023). Elizebeth Smith Friedman and one example of a prohibition era encryption system. Cryptologia. 47 (3), pp. 227-238. [Online].
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Boersma, S. (2023). Elizebeth Smith Friedman and one example of a prohibition era encryption system. Cryptologia. 47 (3), pp. 227-238. [Online].