@misc{indiciaeb0283e6d75ec,
  title = {Dynamic systems, perceptual differentiation, and intelligence.},
  author = {D KRECH and N LIVSON},
  year = {1956},
  doi = {10.1111/j.1467-6494.1956.tb01287.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13368031/},
  note = {Source identifier: 13368031}
}