@misc{indiciae9d93b8a57beb,
  title = {Perceptual categories for spatial layout.},
  author = {D Kersten},
  year = {1997},
  doi = {10.1098/rstb.1997.0099},
  url = {https://pubmed.ncbi.nlm.nih.gov/9304683/},
  note = {Source identifier: 9304683}
}