<https://www.espn.com/espn/story/_/id/37732649/al-ahly-veterans-oregon-ehab-amin-key-bal-victory>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://veraenderung-zum-besseren.de/posts/ib-chemistry-book-cambridge-free.html>