@misc{indiciae16dc5d66aea8,
  title = {Social structure.},
  author = {R R Keiper},
  year = {1986},
  doi = {10.1016/s0749-0739(17)30701-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/3492240/},
  note = {Source identifier: 3492240}
}