<http://schema.org/url>
<http://www.businessweek.com/articles/2014-04-17/so-few-bond-fund-managers-control-so-many-trillions-in-assets>
<http://www.bloomberg.com/bw/articles/2014-04-17/so-few-bond-fund-managers-control-so-many-trillions-in-assets>