@misc{indiciae908574bbb99e,
  title = {Geological material discrimination from Nimbus satellite data},
  author = {Pohn, H. A. and Offield, T. W. and Watson, K.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720021707},
  note = {Source identifier: 19720021707}
}