@misc{indiciaeafe3eba3144a,
  title = {An anomalous brightness differentiation.},
  author = {G Kanizsa and G F Minguzzi},
  year = {1986},
  doi = {10.1068/p150223},
  url = {https://pubmed.ncbi.nlm.nih.gov/3774492/},
  note = {Source identifier: 3774492}
}