000 00243nam a2200109Ia 4500
020 _a9788120351301
082 _a005.1
100 _aSINGH, BRIJENDRA
245 _aNETWORK SECURITY AND MANAGEMENT
260 _aNEW DELHI
_b PHI
_c2009
942 _cBK
999 _c6688
_d6688