| ID: | 20344 |
|---|---|
| Entry Text: | Rohwer, Jurgen. "Signal Intelligence and World War II: The Unfolding Story: Historiographical Essay." J Mil His, 63 (October 1999): 939-51. Conclusion: Germans suspected Allies broke Enigma because U-Boat supply system disrupted, but no declassification occurred; British kept secret until 1970s. |