@misc{indiciaed6c3d05251e7,
  title = {Haptic-visual shape matching by mentally retarded children: exploratory activity and complexity effects.},
  author = {P W Davidson and R Pine and M Wiles-Kettenmann and S Appelle},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7361830/},
  note = {Source identifier: 7361830}
}