000			00412nam a2200145Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a81-7808-605-0
082			_a005.82 WIL
100			_aStallings, William
245		0	_aCryptography and network security: principles and practice
250			_a2nd
260			_aPearson education asia _bNew Delhi _c2002
300			_b295
650			_aSECURITY _92753
999			_c169921 _d169921