000			00364nam a2200133Ia 4500
999			_c24647 _d24647
008			190711s9999 xx 000 0 und d
020			_a0201101505
082			_a621.38196428 D411
100			_aDenning, Dorothy, Elizabeth, Robling.
245		0	_aCryptography and Data Security
260			_aMassachusetts _bAddison Wesley _c1983
300			_a24X17
942			_cBK