@misc{indiciaecc1f1f08a324,
  title = {Different parameters control motion perception above and below a critical density.},
  author = {J C Boulton and C L Baker},
  year = {1993},
  doi = {10.1016/0042-6989(93)90171-r},
  url = {https://pubmed.ncbi.nlm.nih.gov/8266636/},
  note = {Source identifier: 8266636}
}