000			00336nam a2200109Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
100			_aForouzan, Behrouz, A _92010
245		0	_aCryptography and network security
260			_aTata mcgraw hill company Ltd. _bNew Delhi _c2010
300			_aXXVI,721p _b299
650			_aCOMPUTER NETWORK
999			_c178809 _d178809