000			00421nam a2200145Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a978-81-775-8774-6
082			_a004.6 STA
100			_aStallings, William
245		0	_aCryptography and network security: principles and practice
250			_a4th
260			_aPrentice hall _bNew Delhi _c2006
300			_aXVI, 680p. _b365
650			_aCOMPUTER NETWORK
999			_c179692 _d179692