@misc{indiciae0d0e30a3395b,
  title = {Brightness and the increment threshold.},
  author = {D A Burkhardt},
  year = {1966},
  doi = {10.1364/josa.56.000979},
  url = {https://pubmed.ncbi.nlm.nih.gov/5953833/},
  note = {Source identifier: 5953833}
}