@misc{indiciae94b6663e66d0,
  title = {Four systems for emotion activation: cognitive and noncognitive processes.},
  author = {C E Izard},
  year = {1993},
  doi = {10.1037/0033-295x.100.1.68},
  url = {https://pubmed.ncbi.nlm.nih.gov/8426882/},
  note = {Source identifier: 8426882}
}