@misc{indiciaeb573bab5f4a7,
  title = {A functional analysis of language.},
  author = {D Premack},
  year = {1970},
  doi = {10.1901/jeab.1970.14-107},
  url = {https://pubmed.ncbi.nlm.nih.gov/5448258/},
  note = {Source identifier: 5448258}
}