<https://forum.bos-fahrzeuge.info/forum/index.php?thread/1066-qualit%C3%A4t-der-bilder/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.bos-fahrzeuge.info/forum/index.php?thread/1066-qualit%C3%A4t-der-bilder/&postID=9492>