Ultra in the Atlantic: The German Naval Grid and Its Ciphers (005) (Intelligence Series , Vol 5, No 15)

By: Jeffrey K. Bray

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• Format: Paperback
• Language: English
• ISBN: 0894122401
• ISBN13: 9780894122408
• Release Date: October 1994
• Publisher: Aegean Park Pr
• Length: 75 Pages
• Weight: 0.10 lbs.