@misc{indiciaea18c6f58fef8,
  title = {Estimating proportions of objects from multispectral scanner data},
  author = {Horwitz, H. M. and Lewis, J. T. and Pentland, A. P.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750018401},
  note = {Source identifier: 19750018401}
}