000			00512 a2200181 4500
003			Libseu
008			211123b |||||||| |||| 00| 0 eng d
020			_a9788131716649
041			_aEnglish
082			_a004.678 _bSTA
100			_aStallings, William
245			_aNetwork security essentials : _bapplications and standards / _cWilliam Stallings.
250			_a3rd ed.
260			_c2007 _aChennai: _bPearson Education, _g2011
300			_bill. _axiv, 409 p.
650			_aComputer network
942			_cLEB _09
999			_c66841 _d66841