@misc{indiciaea5b20ad39233,
  title = {Rock type discrimination techniques using Landsat and Seasat image data},
  author = {Blom, R. and Abrams, M. and Conrad, C.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19830028839},
  note = {Source identifier: 19830028839}
}