<https://www.bf-games.net/forum/topic/32124-wo-zocken-eigentlich-die-bf-gler/#comment-805593>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.bf-games.net/forum/topic/32124-wo-zocken-eigentlich-die-bf-gler/>