000 00297nam a2200133Ia 4500
008 230321s9999 xx 000 0 und d
082 _a005.133
_bGUE
100 _aGuerin, Bruno
245 0 _aKeeping Ahead Linux Advenced
250 _a
260 _bFirewall
_c2004
300 _a248
942 _cBK
999 _c4871
_d4871