<https://secure.gravatar.com/avatar/c826aabf7c18e844736d2a5cad013de1?s=96&amp;d=retro&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://librospdfgratismundo.com/parece-que-fue-ayer-ariadna-baker-2021/>