<https://secure.gravatar.com/avatar/9e91ce79492ca7123c7da2f4fe2cb4ec?s=96&amp;d=retro&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://timurakhmetov.com/iultin-pohod-za-dlinnoi-ldinkoy.html>