000 00322nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.38212 STA
100 _aStallings ( William)
245 _aNetwork Security Essentials Applications and Standards
260 _aNEW DELHI
_bPEARSON
365 _cRS
999 _c184684
_d184684