urn:ddi:int.example:be31547f-af05-44ce-97e7-ffc95051e5a1:1 int.example be31547f-af05-44ce-97e7-ffc95051e5a1 1 extension:ShouldCalculateFrequenciesForValidValues True extension:ShouldCalculateFrequenciesForInvalidValues True el-masri@dezim-institut.de 3 G01f Wie von Umfrage erfahren: Newsletter einer Organisation How learned about survey: newsletter of an organization int.example 7a723804-2681-4e7a-84eb-f58bbf795c25 1 CodeList