000			00714nam a2200193Ia 4500
008			161214s9999 xx 000 0 und d
020			_a0821828894 _c(hbk)
082			_223 _a940.5485 _bBEC
100			_aBeckman, Bengt
245		0	_aCodebreakers : Arne Beurling and the Swedish crypto program during world war II
260			_aStockholm: _bOxford University Press, _c2002
300			_axviii, 259 p.; _bill.: _c26 cm.
650			_aBeurling, Arne
650			_aCryptography -- World War, 1939-1945
650			_aElectronic intelligence -- World War, 1939-1945 -- Sweden
650			_aWorld War, 1939-1945 -- Cryptography
650			_aWorld War, 1939-1945 -- Electronic intelligence -- Sweden
942			_2ddc _cBK
999			_c4268 _d4268