<https://americanfish.de/forum/index.php?thread/11700-streitigkeiten-unter-crenicichla/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://americanfish.de/forum/index.php?thread/11700-streitigkeiten-unter-crenicichla/&postID=143529>