000			00381nam a2200145Ia 4500
008			180112s9999||||xx |||||||||||||| ||und||
020			_a9788131716649
082			_a5.8
100			_aSTALLING WILLIAM
245		0	_aNETWORK SECUTIRY ESSENTIALS
250			_a3RD
260			_aNEW DELHI _bPEAROSN EDUCATION PUBLICATION _c2009
300			_a409
650			_a"Computer security,Cryptography"
942			_cGEN_BK
999			_c6876 _d6876