@misc{indiciae00640f24d33a,
  title = {A microprocessor-based one dimensional optical data processor for spatial frequency analysis},
  author = {Collier, R. L. and Ballard, G. S.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19830007928},
  note = {Source identifier: 19830007928}
}