@misc{indiciae4e28800dcdb5,
  title = {Vegetation mapping of the National Petroleum Reserve in Alaska using Landsat digital data},
  author = {L.A. Morrissey and R.A. Ennis},
  year = {1981},
  doi = {10.3133/ofr81315},
  url = {https://pubs.usgs.gov/publication/ofr81315},
  note = {Source identifier: ofr81315}
}