@misc{indiciae2ef376bec275,
  title = {The Bourdon illusion in haptic space.},
  author = {R H Day},
  year = {1990},
  doi = {10.3758/bf03210880},
  url = {https://pubmed.ncbi.nlm.nih.gov/2345693/},
  note = {Source identifier: 2345693}
}