@misc{indiciae868ae25f865d,
  title = {Correlation and letter recognition.},
  author = {G R Engel and W G Dougherty and G B Jones},
  year = {1973},
  doi = {10.1037/h0082482},
  url = {https://pubmed.ncbi.nlm.nih.gov/4778715/},
  note = {Source identifier: 4778715}
}