@misc{indiciae869a3e0c9092,
  title = {Increment thresholds for striped and uniform test fields as a function of background level.},
  author = {L Spillmann and J Coderre},
  year = {1973},
  doi = {10.1364/josa.63.000601},
  url = {https://pubmed.ncbi.nlm.nih.gov/4731337/},
  note = {Source identifier: 4731337}
}