000			00486nam a2200181Ia 4500
008			140110s9999 xx 000 0 und d
020			_a9788178089027
082			_a005.8 _bSTA
100			_aStallings, William
245			_aCryptography and Network Security: _b principles and practices
250			_a3rd ed.
260			_bPearson Education _aSingapore _c2003
300			_axiv, 681 p.
650			_aCryptography
650			_aNetworks
650			_aComputer
942			_2ddc _cB
999			_c215416 _d215416