<http://irea.cnr.it/index.php?option=com_k2&amp;view=item&amp;id=651:geofisica&amp;Itemid=139>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://irea.cnr.it/index.php?option=com_k2&view=item&id=651:geofisica&Itemid=139&tmpl=component&print=1>