<http://schema.org/headline>
"Els cromos: V. S\u00E1nchez Arminio, Mikimoto, Andreu Mas-Colell"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ara.cat/opinio/Sanchez-Arminio-Mikimoto-Andreu-Mas-Colell_0_662933769.html>