@misc{indiciae837b9544dcca,
  title = {Industrial shift systems.},
  author = {L Smith and I Macdonald and S Folkard and P Tucker},
  year = {1998},
  doi = {10.1016/s0003-6870(97)00059-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/9701542/},
  note = {Source identifier: 9701542}
}