<https://forum.goodservice.su/forum/perspektivnyj-pamm-ot-chastnogo-trejdera.6345/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.goodservice.su/forum/perspektivnyj-pamm-ot-chastnogo-trejdera.6345/page-2>