@misc{indiciae21f1f0c90415,
  title = {Orientation-dependent contrast.},
  author = {Jacques Ninio},
  year = {2002},
  doi = {10.1068/p3347},
  url = {https://pubmed.ncbi.nlm.nih.gov/12044102/},
  note = {Source identifier: 12044102}
}