000 00258nam a2200109Ia 4500
008 190516s9999 xx 000 0 und d
100 _aBRAGG R
245 0 _aCOMPLETE REFERENCE NETWORK SECURITY
260 _c2007
_bMC GRAW HILL
300 _a854
942 _cBK
999 _c20309
_d20309