@misc{indiciae69d817ae9ccc,
  title = {Procedural learning in perceptual categorization.},
  author = {F Gregory Ashby and Shawn W Ell and Elliott M Waldron},
  year = {2003},
  doi = {10.3758/bf03196132},
  url = {https://pubmed.ncbi.nlm.nih.gov/14704026/},
  note = {Source identifier: 14704026}
}