@misc{indiciae334611cbc585,
  title = {Real and apparent movement--same or different mechanisms?},
  author = {J P Frisby},
  year = {1972},
  doi = {10.1016/0042-6989(72)90025-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/5037694/},
  note = {Source identifier: 5037694}
}