2009-11-30T15:10:32+00:00
xsd:dateTime
2020-10-12T20:57:52+00:00
xsd:dateTime
2023-01-30T19:18:19+00:00
xsd:dateTime
2020-10-12T20:57:52+00:00
xsd:dateTime
218381
xsd:long
approved
0
xsd:long
futurologie
toekomstonderzoek
futurologie