@misc{indiciae690c1338fd50,
  title = {Haptic perception of spatial relations.},
  author = {A M Kappers and J J Koenderink},
  year = {1999},
  doi = {10.1068/p2930},
  url = {https://pubmed.ncbi.nlm.nih.gov/10664771/},
  note = {Source identifier: 10664771}
}