bzk-dpi-abstr:AssumptionsAndParametersCashFlowForecastTitle urn:bzk:linkrole:assumptions-parameters-cash-flow-forecast-rent-increase-daeb-housing-dpi http://www.xbrl.org/2003/arcrole/parent-child descendant bzk-ww-dm:DAEBActivitiesMember $BasisOfPreparationParam