<https://bbq-piraten.de/community/index.php?threads/pf%C3%A4lzer-pizza.24343/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://bbq-piraten.de/community/index.php?threads/pf%C3%A4lzer-pizza.24343/#post-433386>