2023-06-30T12:35:52+00:00
xsd:dateTime
2009-11-30T15:33:06+00:00
xsd:dateTime
219461
xsd:long
wetenschapsgebied @nl
2009-11-30T15:33:06+00:00
xsd:dateTime
approved
statistiek @nl
statistics @en
statistiek @nl
statistics @en