000 00311nam a2200121Ia 4500
100 _aGupta,Kailash N.(etal.)
020 _a81-203-2599-0
942 _cBK
245 _aDigital Signature
_bNetwork Security Practices
260 _aPrentice Hall of India, New Delhi
_c2005
082 _a005.82 Gup
300 _aX,209
999 _c45021
_d45021