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"J. F. W. Nuboer and the Reintroduction of Machine Cryptography by the ..."
Karl de Leeuw (2015)
- Karl de Leeuw:
J. F. W. Nuboer and the Reintroduction of Machine Cryptography by the Royal Netherlands Navy, 1915-1940. Cryptologia 39(2): 157-172 (2015)
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