@misc{indiciae0ef30c42ab5d,
  title = {Visual-auditory distance constancy.},
  author = {G R Engel and W G Dougherty},
  year = {1971},
  doi = {10.1038/234308a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4945010/},
  note = {Source identifier: 4945010}
}