<https://www.informador.mx/Mexico/Calderon-se-reune-con-inversores-y-mexicanos-en-EU-20080211-0005.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.informador.mx/Mexico/Calderon-se-reune-con-inversores-y-mexicanos-en-EU-20080211-0005.html>