@misc{indiciae65cf9179523d,
  title = {Age differences in card--sorting performance in relation to task difficulty, task set, and practice.},
  author = {J BOTWINICK and J S ROBBIN and J F BRINLEY},
  year = {1960},
  doi = {10.1037/h0046590},
  url = {https://pubmed.ncbi.nlm.nih.gov/13803171/},
  note = {Source identifier: 13803171}
}