00392nam a2200121Ia 4500008004100000041000800041100001800049245003100067260003600098650001500134999001900149952010200168231219s9999    xx            000 0 und d  aeng  aJ.H.Ellsworth  aThe Internet Business Book  bJohn Wiley and Sons New  York.   aManagement  c977450d977450  00104070aMCMbMCMd2023-12-21g913.00l0pMCM-56BB0003249r2023-12-21 00:00:00w2023-12-21yBK