@misc{indiciae2bcdaaf2601f,
  title = {Early object rule acquisition.},
  author = {D E Pierce},
  year = {1991},
  doi = {10.5014/ajot.45.5.438},
  url = {https://pubmed.ncbi.nlm.nih.gov/2048625/},
  note = {Source identifier: 2048625}
}