@misc{indiciae63a1fc1628f5,
  title = {Tool use by wild chimpanzees.},
  author = {Y Sugiyama},
  year = {1994},
  doi = {10.1038/367327a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/8114932/},
  note = {Source identifier: 8114932}
}