@misc{indiciae74edf87c27c6,
  title = {Relating remote sensor signals to ground-truth information.},
  author = {Eppler, W. G., Jr. and Merrill, R. D., Jr.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690051545},
  note = {Source identifier: 19690051545}
}