@misc{indiciae2b21ac6f8412,
  title = {The coding and transformation of spatial information.},
  author = {J Huttenlocher and C C Presson},
  year = {1979},
  doi = {10.1016/0010-0285(79)90017-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/519969/},
  note = {Source identifier: 519969}
}