2007-11-23T13:12:20+00:00
xsd:dateTime
2009-11-30T17:51:34+00:00
xsd:dateTime
24910
xsd:long
approved
2007-11-23T13:12:20+00:00
xsd:dateTime
15A1 geografie en topografie @nl
15A1 geografie en topografie @nl