urn:ddi:int.example:3807fd9b-112f-4bcb-90a0-b9ffb6243006:1 int.example 3807fd9b-112f-4bcb-90a0-b9ffb6243006 1 extension:ShouldCalculateFrequenciesForValidValues False extension:ShouldCalculateFrequenciesForInvalidValues False el-masri@dezim-institut.de Remote + En G02_o Anmerkungen Umfrage Comments on Survey