@misc{indiciae6e02b757105b,
  title = {Learning and the spiral illusion.},
  author = {S D Houtman},
  year = {1974},
  doi = {10.1111/j.2044-8295.1974.tb01395.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4841317/},
  note = {Source identifier: 4841317}
}