000 00255nam a2200121Ia 4500
008 161008s9999 xx 000 0 und d
100 _aKOHAR K S
245 _aNETWORK SECURITY
250 _a1st
260 _bVAYU
_c2009
300 _a183
942 _cBK
999 _c42545
_d42545