@misc{indiciaea35005cc769a,
  title = {[Brightness contrast].},
  author = {H Wässle and F Heinrich},
  year = {1970},
  doi = {10.1016/0042-6989(70)90117-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/5481420/},
  note = {Source identifier: 5481420}
}