@misc{indiciae4cce0ad75a1a,
  title = {Brightness functions for a complex field with changing illumination and background.},
  author = {H R Flock and K Noguchi},
  year = {1973},
  doi = {10.1037/h0082452},
  url = {https://pubmed.ncbi.nlm.nih.gov/4696072/},
  note = {Source identifier: 4696072}
}