@misc{indiciae7c0efdff0aad,
  title = {Orientation discrimination depends on spatial frequency.},
  author = {D C Burr and S A Wijesundra},
  year = {1991},
  doi = {10.1016/0042-6989(91)90064-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/1891831/},
  note = {Source identifier: 1891831}
}