00427nam a2200157Ia 4500008004100000020000700041082001400048100001900062245004000081250000700121260003100128300002000159500001900179600002100198650005000219240925s9999    xx            000 0 und d  aNA  a005.6 BLO  aBlommers, John 0aPractical Unix and internet securiy  aNA  aBeijing:bO Reillyc,1996.  a0bNAfOriginal  aIncludes Index  aComputer Science  aComputer science, information & general works