<http://schema.org/mainEntityOfPage>
<http://www.nuevatribuna.es/opinion/enrique-negueruela/abundancia-para-unos-pocos-y-escasez-para-los-ms/20120404091810073064.html>
<http://www.nuevatribuna.es/opinion/enrique-negueruela/abundancia-para-unos-pocos-y-escasez-para-los-ms/20120404091810073064.html>