<https://nimfomane.com/forum/topic/218407-%E2%9D%8C-indisponibil%C4%83-%E2%9D%8C/page/3/#comment-7973375>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://nimfomane.com/forum/topic/218407-%E2%9D%8C-indisponibil%C4%83-%E2%9D%8C/page/3/>