@misc{indiciae3e0ee41760ba,
  title = {Visual slant in the circle.},
  author = {R B Freeman},
  year = {1967},
  doi = {10.1016/0042-6989(67)90095-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/5613300/},
  note = {Source identifier: 5613300}
}