@misc{indiciae23c3e63aa59f,
  title = {A theory of the primitive spatial code in human vision.},
  author = {R J Watt and M J Morgan},
  year = {1985},
  doi = {10.1016/0042-6989(85)90138-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/3832590/},
  note = {Source identifier: 3832590}
}