@misc{indiciaea47d51bea43a,
  title = {Retinal noise and absolute threshold.},
  author = {H B BARLOW},
  year = {1956},
  doi = {10.1364/josa.46.000634},
  url = {https://pubmed.ncbi.nlm.nih.gov/13346424/},
  note = {Source identifier: 13346424}
}