@misc{indiciae71dfdca099d2,
  title = {Useful visual field size for pattern perception.},
  author = {S Saida and M Ikeda},
  year = {1979},
  doi = {10.3758/bf03198797},
  url = {https://pubmed.ncbi.nlm.nih.gov/432096/},
  note = {Source identifier: 432096}
}