Title: Code Breakers
Description: ix, 389, 16 unnumbered pages of plates : 24 cm
Subjects: World war, 1939-1945, cryptography, World war, 1939-1945, australia, Cryptography, World war, 1939-1945, secret service, australia, World War, 1939-1945, Cryptographers, History, World War (1939-1945) fast (OCoLC)fst01180924, World War (1939-1945), World War, 1939-1945 -- Australia -- Cryptography, Cryptography -- Australia, Cryptographers -- Australia, Australia