000 00243nam a2200109Ia 4500
008 170501s9999 xx 000 0 und d
100 _a"HARRING, J.L."
245 _aNETWORK SECURITY--
250 _a-
260 _bELSEVER
_aNEW DELHI
_c2006
300 _a365
440 _n-
999 _c16263
_d16263