<https://mihaicraciun.eu/2017/11/13/pericolul-pe-roti-de-fier-ii-catastrofalele-ic2/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://mihaicraciun.eu/2017/11/13/pericolul-pe-roti-de-fier-ii-catastrofalele-ic2/>