<https://madsvin.com/singleton-antianti-madsvin-tester-nyt-udfordrende-smagskoncept/#article>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://madsvin.com/singleton-antianti-madsvin-tester-nyt-udfordrende-smagskoncept/>