@misc{indiciae17551ca09490,
  title = {Concurrent duration production as a workload measure.},
  author = {D Zakay and J Shub},
  year = {1998},
  doi = {10.1080/001401398186423},
  url = {https://pubmed.ncbi.nlm.nih.gov/9715671/},
  note = {Source identifier: 9715671}
}