@misc{indiciaed69e71b82d52,
  title = {Thinking in circles.},
  author = {T Appenzeller},
  year = {1989},
  doi = {10.1038/scientificamerican0389-26},
  url = {https://pubmed.ncbi.nlm.nih.gov/2494698/},
  note = {Source identifier: 2494698}
}