<https://www.optimagazine.com/2018/11/14/individuato-il-mese-dello-smartphone-pieghevole-samsung-previsioni-sul-debutto/1278134>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.optimagazine.com/2018/11/14/individuato-il-mese-dello-smartphone-pieghevole-samsung-previsioni-sul-debutto/1278134>