000 00312nam a22001337a 4500
999 _c2729
_d2729
020 _a9788131716649
082 _a005.8
100 _aWilliam Stallings
245 _aNetwork Security Essentials Applications and Standards
250 _aThird
260 _aNew Delhi
_bPearson
_c2011
300 _a409
942 _cBK