@misc{indiciae4089b2392413,
  title = {Invariance and constancy in vision.},
  author = {J Harris and I Moorhead},
  year = {1996},
  doi = {10.1068/p250125},
  url = {https://pubmed.ncbi.nlm.nih.gov/8733142/},
  note = {Source identifier: 8733142}
}