@misc{indiciaecfa822840342,
  title = {A study of problem solving by gibbons.},
  author = {B B Beck},
  year = {1967},
  doi = {10.1163/156853967x00190},
  url = {https://pubmed.ncbi.nlm.nih.gov/6016362/},
  note = {Source identifier: 6016362}
}