@misc{indiciae6e7f5e354535,
  title = {Two mathematically defined expressive language structures in humans and chimpanzees.},
  author = {R Langs and A F Badalamenti and S Savage-Rumbaugh},
  year = {1996},
  doi = {10.1002/bs.3830410203},
  url = {https://pubmed.ncbi.nlm.nih.gov/8645135/},
  note = {Source identifier: 8645135}
}