@misc{indiciae62c3ea9806eb,
  title = {Pixel labeling by supervised probabilistic relaxation},
  author = {Richards, J. A. and Landgrebe, D. A. and Swain, P. H.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810046786},
  note = {Source identifier: 19810046786}
}