@misc{indiciae090042dd1c3b,
  title = {Perceived contrast and stimulus size: experiment and simulation.},
  author = {M W Cannon and S C Fullenkamp},
  year = {1988},
  doi = {10.1016/0042-6989(88)90049-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/3227647/},
  note = {Source identifier: 3227647}
}