TY  - BOOK
AU  - Ratcliff, R. A
TI  - Delusions of intelligence : Enigma, Ultra and the end of secure ciphers
SN  - 9780521855228
SN  - 200503646
U1  - 940.548743 RAT 
PY  - 2006///
CY  - Cambridge ; New York
PB  - Cambridge University Press
KW  - Enigma cipher system
KW  - ULTRA (Intelligence system)
KW  - World War, 1939-1945 - Cryptography
KW  - World War, 1939-1945 - Electronic intelligence - Germany
KW  - World War, 1939-1945 - Electronic intelligence - Great Britain
N1  - Includes bibliographical references (p. 287-303) and index
ER  -