@misc{indiciae2e2f2ab8f6fb,
  title = {The Conceptual Project in Child Variance.},
  author = {S Head and W C Rhodes},
  year = {1974},
  doi = {10.1007/bf00919358},
  url = {https://pubmed.ncbi.nlm.nih.gov/4615113/},
  note = {Source identifier: 4615113}
}