bzk-dvi-abstr:PolicyValueDataTitle
urn:bzk:linkrole:policy-value-data-daeb-housing-dvi
http://www.xbrl.org/2003/arcrole/parent-child
descendant
urn:bzk:linkrole:policy-value-data-daeb-housing-dvi
bzk-dvi-dim:ClassesOfTypesOfRealEstateAxis
descendant-or-self
bzk-ww-dm:DAEBActivitiesMember
$BasisOfPreparationParam