00447nam a2200157Ia 4500008004100000020001500041082001200056100001900068245003900087250000800126260003800134300002700172500001900199600002100218650005000239240925s9999    xx            000 0 und d  a812031056x  a004 EDW  aEdwards, Chris 4aThe Essence of Information Systems  a2nd  aNew Delhi:bPrentice Hallc,2003.  axii,408p.b0fOriginal  aIncludes Index  aComputer Science  aComputer science, information & general works