@misc{indiciae320ca86ae9db,
  title = {Structural study of "a severed head".},
  author = {F Harary},
  year = {1966},
  doi = {10.2466/pr0.1966.19.2.473},
  url = {https://pubmed.ncbi.nlm.nih.gov/5912814/},
  note = {Source identifier: 5912814}
}