@misc{indiciae49ed8924687c,
  title = {First steps in language acquisition.},
  author = {K Nelson},
  year = {1977},
  doi = {10.1016/s0002-7138(09)61180-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/599229/},
  note = {Source identifier: 599229}
}