@misc{indiciaeac52518d5910,
  title = {An experiment in visual perception.},
  author = {D C Slater},
  year = {1967},
  doi = {10.1111/j.1469-8749.1967.tb02267.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6035572/},
  note = {Source identifier: 6035572}
}