@misc{indiciaeebdf305bdded,
  title = {Orientation discrimination for objects defined by relative motion and objects defined by luminance contrast.},
  author = {D Regan},
  year = {1989},
  doi = {10.1016/0042-6989(89)90194-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/2635467/},
  note = {Source identifier: 2635467}
}