000			00339nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a890063990
082			_a652
082			_b8 CRY
100			_a"Deavours, Cipher et.al."
245		0	_aCryptology
260			_aNorwood
260			_bArtech House
260			_c1989
300			_a508
999			_c32996 _d32996