@misc{indiciae8d88eb69d747,
  title = {Visual information about time-to-collision between two objects.},
  author = {R J Bootsma and R R Oudejans},
  year = {1993},
  doi = {10.1037//0096-1523.19.5.1041},
  url = {https://pubmed.ncbi.nlm.nih.gov/8228838/},
  note = {Source identifier: 8228838}
}