@misc{indiciae9275c47babd5,
  title = {Focused attention in three-dimensional space.},
  author = {G J Andersen},
  year = {1990},
  doi = {10.3758/bf03205975},
  url = {https://pubmed.ncbi.nlm.nih.gov/2304809/},
  note = {Source identifier: 2304809}
}