<https://www.replicarelogio.com/recomendacao-do-diametro-do-medidor-neutro-replicas-de-relogios/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.replicarelogio.com/recomendacao-do-diametro-do-medidor-neutro-replicas-de-relogios/>