@misc{indiciaee212a7bf23ca,
  title = {A land-use classification system for use with remote sensor data},
  author = {James Richard Anderson and Ernest E. Hardy and John T. Roach},
  year = {1972},
  doi = {10.3133/cir671},
  url = {https://pubs.usgs.gov/publication/cir671},
  note = {Source identifier: cir671}
}