000 00280nam a2200109Ia 4500
008 170101s2017 xx 000 0 und d
100 _aSTALLINGS
245 0 _aNETWORK SECURITY ESSENTIALS APPLICATIONS AND STANDARDS
260 _a285
_bPEARSON
650 _aCSE
942 _2ddc
_cBK
999 _c158249
_d158249