@misc{indiciae986f42e873ea,
  title = {The 'ecological' probability density function for linear optic flow: implications for neurophysiology.},
  author = {J Ivins and J Porrill and J Frisby and G Orban},
  year = {1999},
  doi = {10.1068/p2807},
  url = {https://pubmed.ncbi.nlm.nih.gov/10627850/},
  note = {Source identifier: 10627850}
}