@misc{indiciaee20cdd3e69bd,
  title = {Acquisition and preprocessing of LANDSAT data},
  author = {Horn, T. N. and Brown, L. E. and Anonsen, W. H.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800007201},
  note = {Source identifier: 19800007201}
}