@misc{indiciae9d848a5b55e8,
  title = {Edge-dependent lightness distributions at different adaptation levels.},
  author = {P Heggelund and S Krekling},
  year = {1976},
  doi = {10.1016/0042-6989(76)90028-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/941433/},
  note = {Source identifier: 941433}
}