000			00551nam a2200193Ia 4500
999			_c8362 _d8362
008			161214s9999 xx 000 0 und d
020			_a8173712042 _c(pbk)
082			_a652.8 _bKIP
100			_aKippenhahn, Rudolf
245		0	_aCode Breaking: a history and exploration
260			_aHyderabad: _bUniversities Press, _c2000
300			_a283 p.; _bIllus. Index.: _c24 cm.
650			_aArrival of the Computer
650			_aEncryption Quite Publicly
650			_aHistory of Exploration
650			_aKeywords Without End
650			_aSecret Writings
942			_2ddc _cBK