urn:ddi:int.example:d2f05dd7-f18f-4c9c-b4df-70ec964332fb:1 int.example d2f05dd7-f18f-4c9c-b4df-70ec964332fb 1 extension:ShouldCalculateFrequenciesForValidValues True extension:ShouldCalculateFrequenciesForInvalidValues True el-masri@dezim-institut.de Remote + En pol0047x06 Ukraine Reaktionen: Ende dt.-russ. Schüler-/Studierenden Austausch Ukraine reactions: end German-Russian school/student exchange int.example 13200447-1205-4ac9-9ce7-b7008f1ead01 1 CodeList