@misc{indiciae398669fc2ec0,
  title = {Automatic gain control model for vision.},
  author = {L Levi},
  year = {1969},
  doi = {10.1038/223396b0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5823266/},
  note = {Source identifier: 5823266}
}