000 00292nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a621.38212
_bSTA
100 _a STALLINGS (WILLIAM)
245 0 _aNetwork Security Essentials Applications and Standards
260 _b PEARSON
942 _cBK
999 _c2300
_d2300