@misc{indiciae055bd353b5bb,
  title = {The frontal reference surfaces of visual space.},
  author = {T SHIPLEY},
  year = {1959},
  doi = {10.1007/bf00157936},
  url = {https://pubmed.ncbi.nlm.nih.gov/14446043/},
  note = {Source identifier: 14446043}
}