<https://www.unexplained-mysteries.com/forum/topic/293685-were-dinos-dying-before-an-asteroid/#comment-5820781>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.unexplained-mysteries.com/forum/topic/293685-were-dinos-dying-before-an-asteroid/#comment-5820848>