@misc{indiciaea47cc19dfcf3,
  title = {Estimating switchgrass productivity in the Great Plains using satellite vegetation index and site environmental variables},
  author = {Yingxin Gu and Bruce K. Wylie and Daniel M. Howard},
  year = {2015},
  doi = {10.1016/j.ecolind.2014.09.013},
  url = {https://pubs.usgs.gov/publication/70142503},
  note = {Source identifier: 70142503}
}