ULTRA at sea : how breaking the Nazi code affected Allied naval strategy during World War II / John Winton.
| Author/creator | Winton, John |
| Format | Book |
| Edition | 1st U.S. ed. |
| Publication Info | New York : W. Morrow, 1988. |
| Description | 207 pages, 8 unnumbered pages of plates : illustrations ; 24 cm |
| Subjects |
| General note | Includes index. |
| LCCN | 88032654 |
| ISBN | 0688085466 |