<https://misterobufo.corriere.it/2014/06/08/sinapi-il-cnr-dovrebbe-indagare-sugli-ufo/20140301_ufo68/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://misterobufo.corriere.it/2014/06/08/sinapi-il-cnr-dovrebbe-indagare-sugli-ufo/20140301_ufo68/>