@misc{indiciaeec70b89c8196,
  title = {Selected geological and geophysical remote sensing publications by U.S. Geological Survey authors 1961-1984},
  author = {S. L. Simpson},
  year = {1986},
  doi = {10.3133/ofr8641},
  url = {https://pubs.usgs.gov/publication/ofr8641},
  note = {Source identifier: ofr8641}
}