natuurkundige @nl
approved
2023-04-05T08:13:26+00:00
xsd:dateTime
136264
xsd:long
2007-11-24T08:20:44+00:00
xsd:dateTime
2007-11-24T08:20:44+00:00
xsd:dateTime
Newton, Isaac @nl
Newton, Isaac @nl
Isaac Newton @nl