@misc{indiciaeb6db259ce918,
  title = {Studies in blind mobility.},
  author = {J A Leonard},
  year = {1972},
  doi = {10.1016/0003-6870(72)90009-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/15677089/},
  note = {Source identifier: 15677089}
}