@misc{indiciae28d988623687,
  title = {Upright versus upside-down faces: how interface attractiveness varies with orientation.},
  author = {K H Bäuml},
  year = {1994},
  doi = {10.3758/bf03213895},
  url = {https://pubmed.ncbi.nlm.nih.gov/7971117/},
  note = {Source identifier: 7971117}
}