@misc{indiciae6a928021f232,
  title = {Preverbal and verbal counting and computation.},
  author = {C R Gallistel and R Gelman},
  year = {1992},
  doi = {10.1016/0010-0277(92)90050-r},
  url = {https://pubmed.ncbi.nlm.nih.gov/1511586/},
  note = {Source identifier: 1511586}
}