@misc{indiciae954398ff167c,
  title = {Direction identification thresholds for second-order motion in central and peripheral vision.},
  author = {A T Smith and R F Hess and C L Baker},
  year = {1994},
  doi = {10.1364/josaa.11.000506},
  url = {https://pubmed.ncbi.nlm.nih.gov/8120698/},
  note = {Source identifier: 8120698}
}