<http://schema.org/url>
<http://www.businessweek.com/articles/2014-02-03/freedom-industries-hotline-call-misstated-extent-and-danger-of-spill>
<http://www.bloomberg.com/bw/articles/2014-02-03/freedom-industries-hotline-call-misstated-extent-and-danger-of-spill>