<https://darkmatters.org/forums/index.php?/topic/10143-putrescines-hybrid-dryad-build/page/2/#comment-6841213>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://darkmatters.org/forums/index.php?/topic/10143-putrescines-hybrid-dryad-build/page/2/>