@misc{indiciae9cb4b4bc54a9,
  title = {A note on two basic forms of concepts and concept learning.},
  author = {G A Davis},
  year = {1966},
  doi = {10.1080/00223980.1966.10543790},
  url = {https://pubmed.ncbi.nlm.nih.gov/5938503/},
  note = {Source identifier: 5938503}
}