Machine cryptography and modern cryptanalysis/
Cipher A. Deavours, Louis Kruh.
- Dedham, MA: Artech House, c1985.
- xiv, 258 p.: ill.; 24 cm.
- Artech House telecom library .
Includes index.
0890061610
84073275
Cryptography. Machine ciphers. World War, 1939-1945---Cryptography