Seizing the enigma the race to break the German U-boat codes 1939-1943
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
United State of America
Thomas Congdon Book
1991
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| Subjects: |
| Physical Description: | xii, 336 p. ill. 23 cm |
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| Bibliography: | Includes bibliogrpahical reference and index |
| ISBN: | 0395427398 |