@misc{indiciae04f6c0ec581b,
  title = {A data processing scheme for frame by frame film analysis.},
  author = {E H Hayden and Y Koike},
  year = {1972},
  doi = {10.1159/000263565},
  url = {https://pubmed.ncbi.nlm.nih.gov/4638936/},
  note = {Source identifier: 4638936}
}