2009-11-30T14:55:14+00:00
xsd:dateTime
approved
2009-11-30T14:55:14+00:00
xsd:dateTime
2023-06-30T12:36:10+00:00
xsd:dateTime
217643
xsd:long
technical sciences @en
technische wetenschappen @nl
technische wetenschappen @nl
technical sciences @en