Code Breakers
by Craig Collie
ix, 389, 16 unnumbered pages of plates : 24 cm
World war, 1939-1945, cryptographyWorld war, 1939-1945, australiaCryptographyWorld war, 1939-1945, secret service, australiaWorld War, 1939-1945CryptographersHistoryWorld War (1939-1945) fast (OCoLC)fst01180924World War (1939-1945)World War, 1939-1945 -- Australia -- CryptographyCryptography -- AustraliaCryptographers -- Australia