@misc{indiciae5b06e770f707,
  title = {Indices of mental workload in a complex task environment.},
  author = {J A Veltman and A W Gaillard},
  year = {1993},
  doi = {10.1159/000119003},
  url = {https://pubmed.ncbi.nlm.nih.gov/8255413/},
  note = {Source identifier: 8255413}
}