@misc{indiciaeb2936d16f920,
  title = {Signature extension preprocessing for LANDSAT MSS data},
  author = {Nalepka, R. F. and Lambeck, P. F.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780006514},
  note = {Source identifier: 19780006514}
}