@misc{indiciae6c235b5f06a0,
  title = {Recognition of regular polygons in relation to visual acuity.},
  author = {V H Nielsen},
  year = {1969},
  doi = {10.1097/00006324-196905000-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/5255270/},
  note = {Source identifier: 5255270}
}