@misc{indiciae6349f280018c,
  title = {Spatial orientation in the blind.},
  author = {J A Leonard and R C Newman},
  year = {1967},
  doi = {10.1038/2151413a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6055470/},
  note = {Source identifier: 6055470}
}