<http://www.falkblick.se/2014/02/vad-ar-det-for-skillnad-mellan-de-och.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://www.falkblick.se/2014/02/vad-ar-det-for-skillnad-mellan-de-och.html>