<https://www.litera.ro/blog/carti-de-citit-in-vacanta-recomandari-de-top-i/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.litera.ro/blog/carti-de-citit-in-vacanta-recomandari-de-top-i/>