@misc{indiciae0e4142fc5aa6,
  title = {A useful diagram for theoretical discussions.},
  author = {R C Chivers},
  year = {1978},
  doi = {10.1016/0301-5629(78)90041-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/734795/},
  note = {Source identifier: 734795}
}