<https://secure.gravatar.com/avatar/dd104a782db281df56d1e2400d1882da?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://gasesgrit.com/ca/grit-participa-en-lorganitzacio-del-28e-congres-internacional-de-laerosol/>