Naval War College Review
Recommended Citation
Sarchfield, Marilyn
(1993)
"Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939-1943,"
Naval War College Review: Vol. 46:
No.
1, Article 19.
Available at:
https://digital-commons.usnwc.edu/nwc-review/vol46/iss1/19
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