00283nam a2200121Ia 4500008004100000040002500041082001800066100001300084245003500097260000900132942000700141999001300148230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a658.4'038 O21  aOz, Effy 0aManagement information systems  c2007  cBK  c877d877