@misc{indiciae50c32e5e7190,
  title = {Contrast Discrimination by the human visual system.},
  author = {G J Burton},
  year = {1981},
  doi = {10.1007/bf00326678},
  url = {https://pubmed.ncbi.nlm.nih.gov/7236750/},
  note = {Source identifier: 7236750}
}