BasicPropertyUnit BasicPropertyUnit None inspireId_localId inspireId|Identifier|localId String inspireId_namespace inspireId|Identifier|namespace String nationalCadastralReference nationalCadastralReference String areaValue areaValue Real areaValue_uom areaValue@uom String validFrom validFrom String validTo validTo String beginLifespanVersion beginLifespanVersion String endLifespanVersion endLifespanVersion String administrativeUnit_href administrativeUnit@href String