@misc{indiciaeaa858c218435,
  title = {Mapping global grassland ecosystems: A comparison of four data sets},
  author = {J.F. Brown},
  year = {1998},
  doi = {10.1109/igarss.1998.703756},
  url = {https://pubs.usgs.gov/publication/70267390},
  note = {Source identifier: 70267390}
}