@misc{indiciaed6dad033ca62,
  title = {Facial expression and emotion.},
  author = {P Ekman},
  year = {1993},
  doi = {10.1037//0003-066x.48.4.384},
  url = {https://pubmed.ncbi.nlm.nih.gov/8512154/},
  note = {Source identifier: 8512154}
}