@misc{indiciae08c0155ed8bf,
  title = {Visual stimulus localization as a function of brightness.},
  author = {J Costermans and G Thines and Van Plancke-Montariol},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5731733/},
  note = {Source identifier: 5731733}
}