@misc{indiciae2a221a5796cc,
  title = {Agroenvironmental transformation in the Sahel: Another kind of "green revolution"},
  author = {Chris Reij and G. Gray Tappan and Melinda Smale},
  year = {2009},
  url = {https://pubs.usgs.gov/publication/70042448},
  note = {Source identifier: 70042448}
}