urn:ddi:de.dezim:1825b736-b98b-446a-b1ef-b0dceac58a2b:2 de.dezim 1825b736-b98b-446a-b1ef-b0dceac58a2b 2 fdz@dezim-institut.de alter_kat alter_kat alter_kat Alter: kategorial Age: categorical Age: categorical Alter: kategorial Age: categorical Age: categorical