000 00295nam a2200121Ia 4500
008 230929s1999||||xx |||||||||||||| ||und||
020 _a9781578701605
100 _aCisco Systems,Inc.
245 0 _aCISCO IOS120.0 Network Security
260 _aUSA
_bCISCO Press
_c1999
300 _a912
942 _cBK
999 _c555
_d555