urn:ddi:int.example:47ab3554-1a3f-4158-a50a-30542b95024b:1 int.example 47ab3554-1a3f-4158-a50a-30542b95024b 1 extension:ShouldCalculateFrequenciesForValidValues False extension:ShouldCalculateFrequenciesForInvalidValues False el-masri@dezim-institut.de 3 bw1par005 Versanddatum 1. Erinnerung (postalisch) Mailing date 1st reminder (letter)