000 00425nam a2200157Ia 4500
008 131111s9999 xx 000 0 und d
100 _aGupta, Kailash N
245 _aDigitl signature : network security practices
260 _aNew Delhi
260 _bPrentice-hall
260 _c2006
300 _a209p.
650 _aComputer sciences
_aComputer networking
700 _aAgarwala,K N and Agarwala,P A
763 _a28131
999 _c51199
_d51199