---
- doi: 10.1088/1748-9326/10/4/044003
  identifier: 10.1088/1748-9326/10/4/044003
  journal_identifier: environmental-research-letters
  journal_pages: 044003
  journal_vol: 10
  notes: ~
  title: Cropland expansion outpaces agricultural and biofuel policies in the United States
  uri: /article/10.1088/1748-9326/10/4/044003
  url: ~
  year: 2015