@misc{indiciae9d2a4a26ca9f,
  title = {Stages in concept learning. II.},
  author = {M Stenild},
  year = {1974},
  doi = {10.1111/j.1467-9450.1974.tb00591.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4453821/},
  note = {Source identifier: 4453821}
}