00430nam a2200133Ia 4500008004100000020001800041082001700059100002200076245009800098250001200196260004800208300001700256600002300273250522s9999    xx            000 0 und d  a9780071123501  a658.4038 OBR  aO'Brien, James A. 0aManagement Information Systems:bmanaging Information Technology in the E-Business Enterprise  a5th ed.  aNew York:bMcGraw-Hill International,c2002  axxvii, 530p.  aManagement Science