000 00483nam a2200193Ia 4500
008 191002s9999 xx 000 0 und d
020 _a0000088609
082 _a1.621
100 _aWilliam Stallings
245 0 _aCryptography and Network Security,Ed4
250 _a4
260 _aNew Delhi
_bPearson
_c2011
536 _aManagement
650 _a Network
650 _a Security,Ed4
650 _aComputer Networks Datanetworks
650 _aCryptography
942 _cBK
999 _c56812
_d56812