<https://secure.gravatar.com/avatar/8de6eb59034b1a27c28fcef46d2e2b54?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.cunit.cat/ja-en-funcionament-el-segon-bicibuc-de-cunit/>