@misc{indiciaef0bee9aff8d2,
  title = {Modified Synthetic-Discriminant-Function Optical Filter},
  author = {Reid, Max B. and Ma, Paul W. and Downie, John D. and Ochoa, Ellen},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920000345},
  note = {Source identifier: 19920000345}
}