<http://schema.org/url>
<http://www.reuters.com/article/2013/02/08/il-terra-nitrogen-idUSnBw9P2Y3Ja+12a+BSW20130208>
<http://www.reuters.com/article/2013/02/08/il-terra-nitrogen-idUSnBw9P2Y3Ja+12a+BSW20130208>