@misc{indiciae1a62ac731503,
  title = {Differentiation and unification in perception and cognition.},
  author = {E Hjelmquist},
  year = {1990},
  doi = {10.1111/j.1467-9450.1990.tb00843.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2136592/},
  note = {Source identifier: 2136592}
}