<http://www.olympuslabs.org/2008/09/24/google-friend-in-google-reader-prosegue-il-google-centrismo/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://www.olympuslabs.org/2008/09/24/google-friend-in-google-reader-prosegue-il-google-centrismo/>