@misc{indiciaeff97cd47a31e,
  title = {The Cognitive World Structure Game.},
  author = {J Tivendell},
  year = {1978},
  doi = {10.2466/pms.1978.46.2.512},
  url = {https://pubmed.ncbi.nlm.nih.gov/662552/},
  note = {Source identifier: 662552}
}