@misc{indiciae7c408f994dcb,
  title = {Principles and practices of satellite multispectral image mapping in the U.S. Geological Survey},
  author = {R.D. Sanchez and J.A. McSweeney},
  year = {1986},
  doi = {10.3133/ofr868},
  url = {https://pubs.usgs.gov/publication/ofr868},
  note = {Source identifier: ofr868}
}