@misc{indiciaed29e6e02cbb3,
  title = {Conceptual development in learning-disabled and normal boys.},
  author = {J E Fleischner and M Danzig},
  year = {1980},
  doi = {10.1007/bf00918163},
  url = {https://pubmed.ncbi.nlm.nih.gov/7372951/},
  note = {Source identifier: 7372951}
}