<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/3.0/deed.it"><img alt="Licenza Creative Commons" style="border-width:0" src="http://i.creativecommons.org/l/by-nc-nd/3.0/88x31.png" /></a><br /><span xmlns:dct="http://purl.org/dc/terms/" property="dct:title">Questo materiale didattico </span> by <span xmlns:cc="http://creativecommons.org/ns#" property="cc:attributionName">Anna Scarponi</span> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/3.0/deed.it">Creative Commons Attribuzione - Non commerciale - Non opere derivate 3.0 Unported License</a>