@misc{indiciae4f12990028b3,
  title = {Environmental input and cognitive growth: a study using time-period comparisons.},
  author = {J Huttenlocher and S Levine and J Vevea},
  year = {1998},
  url = {https://pubmed.ncbi.nlm.nih.gov/9768484/},
  note = {Source identifier: 9768484}
}