00327nam a2200121Ia 4500008004100000041000800041082001600049100001600065245003800081250001300119260006400132300000900196231228s2009 xx 000 0 und d aeng a657.45bWEB aWEBER (Ron) aInformation Systems Control Audit a3rd Impr aNew DelhibPearson Education Delhi, Harlow, Singaporec2009 a1052