@misc{indiciaeef80fe3e9fb1,
  title = {Autonomic differences between extraverts and introverts during vigilance.},
  author = {J J Gange and R G Geen and S G Harkins},
  year = {1979},
  doi = {10.1111/j.1469-8986.1979.tb01484.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/461669/},
  note = {Source identifier: 461669}
}