@misc{indiciae05b57aef85d0,
  title = {The development of language as a function of programmed conditioning.},
  author = {B B Gray and L Fygetakis},
  year = {1968},
  doi = {10.1016/0005-7967(68)90026-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5714988/},
  note = {Source identifier: 5714988}
}