000			00539nam a2200181Ia 4500
008			240925s9999 xx 000 0 und d
020			_a139738193
082			_a005.8 STA
100			_aStallings, William
245		0	_aCryptography and Network Security: principles and practice
250			_a2nd
260			_aNew Jersey: _bPrintice- Hall Int. _c,1999.
300			_axviii,798p. _bNA _fOriginal
500			_aIncludes Index
600			_aEngineering Technology
650			_aComputer science, information & general works
942			_cBK
999			_c7046 _d7046