Delusions of intelligence : Enigma, Ultra and the end of secure ciphers /
Ratcliff, R. A. 1963-
Delusions of intelligence : Enigma, Ultra and the end of secure ciphers / R. A. Ratcliff. - Cambridge ; New York : Cambridge University Press, 2006 - xvii, 314 p. : ill. ; 24 cm.
9780521736626 9780521855228 (hbk.) 0521855225 (hbk.)
Enigma cipher system.
ULTRA (Intelligence system)
World War, 1939-1945--Cryptography.
World War, 1939-1945--Electronic intelligence--Great Britain
World War, 1939-1945--Electronic intelligence--Germany.
D 810 / R233d 2006
940.54/8743
Delusions of intelligence : Enigma, Ultra and the end of secure ciphers / R. A. Ratcliff. - Cambridge ; New York : Cambridge University Press, 2006 - xvii, 314 p. : ill. ; 24 cm.
9780521736626 9780521855228 (hbk.) 0521855225 (hbk.)
Enigma cipher system.
ULTRA (Intelligence system)
World War, 1939-1945--Cryptography.
World War, 1939-1945--Electronic intelligence--Great Britain
World War, 1939-1945--Electronic intelligence--Germany.
D 810 / R233d 2006
940.54/8743