Codebreakers : Arne Beurling and the Swedish crypto program during world war II
- Stockholm: Oxford University Press, 2002
- xviii, 259 p.; ill.: 26 cm.
0821828894 (hbk)
Beurling, Arne Cryptography -- World War, 1939-1945 Electronic intelligence -- World War, 1939-1945 -- Sweden World War, 1939-1945 -- Cryptography World War, 1939-1945 -- Electronic intelligence -- Sweden