00365nam a2200121Ia 4500008004100000082002100041100001800062245004900080250000900129260003600138300000600174650006300180150614s9999    xx            000 0 und d  a004.21  SEN-A  R  aJames A .Senn  aAnalyasis  and Design of Information Systems  aI ED  bMc Graw Hill Inc. Newyorkc1989  a0  aAnalyasis  and Design of Information Systems James A .Senn