@misc{indiciae57144822e07a,
  title = {Globally perceived directional flow in static images.},
  author = {B Farell and B Julesz},
  year = {1989},
  doi = {10.1068/p180155},
  url = {https://pubmed.ncbi.nlm.nih.gov/2771601/},
  note = {Source identifier: 2771601}
}