<http://www.irea.cnr.it/index.php?option=com_k2&amp;view=item&amp;id=1033:ottica-e-fotonica-nel-cnr&amp;Itemid=161>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://www.irea.cnr.it/index.php?option=com_k2&view=item&id=1033:ottica-e-fotonica-nel-cnr&Itemid=161>