@misc{indiciaecd69b926b902,
  title = {Illusory motion in visual displays.},
  author = {A M Lelkens and J J Koenderink},
  year = {1984},
  doi = {10.1016/0042-6989(84)90086-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/6506473/},
  note = {Source identifier: 6506473}
}