<https://www.gulliver.it/itinerari/niera-roc-della-via-normale-e-via-dei-diedri-da-chianale/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.gulliver.it/itinerari/niera-roc-della-via-normale-e-via-dei-diedri-da-chianale/2005/07/03/100854/>