@misc{indiciae20af68e321b0,
  title = {Crop surveys from multiband satellite photography using digital techniques},
  author = {Anuta, P. E. and Macdonald, R. B.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710064290},
  note = {Source identifier: 19710064290}
}