<https://secure.gravatar.com/avatar/a9772328b0b103437b0cc3f4c002b55a?s=96&d=blank&r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hsv24.mopo.de/2017/10/28/diekmeier-zwei-bloede-gegentore.html>