<https://www.digitaleterrestrefacile.it/2012/12/quali-sono-i-decoder-e-i-tv-per-il-nuovo-digitale-terrestre-dvb-t2/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.digitaleterrestrefacile.it/tag/vantaggi-digitale-terrestre/>