@misc{indiciae45f446aa6af2,
  title = {Study of spatial markers.},
  author = {F D Becker},
  year = {1973},
  doi = {10.1037/h0034442},
  url = {https://pubmed.ncbi.nlm.nih.gov/4710114/},
  note = {Source identifier: 4710114}
}