@misc{indiciae0eb3549fe1a3,
  title = {Net Ecosystem Production (NEP) of the Great Plains, United States},
  author = {Daniel Howard and Tagir Gilmanov and Yingxin Gu and Bruce Wylie and Li Zhang},
  year = {2012},
  doi = {10.3133/fs20123134},
  url = {https://pubs.usgs.gov/publication/fs20123134},
  note = {Source identifier: fs20123134}
}