@misc{indiciaedf889ee69cb9,
  title = {Size constancy in retarded versus normal children: a developmental hypothesis.},
  author = {B J Richman and H N Kellner and D A Allen},
  year = {1968},
  doi = {10.1037/h0026415},
  url = {https://pubmed.ncbi.nlm.nih.gov/5743316/},
  note = {Source identifier: 5743316}
}