@misc{indiciaef8a013947878,
  title = {Simple, equitable system blends flexibility with firm scheduling.},
  author = {H A Grumbles and R R Sutton and W S Sanders},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/903106/},
  note = {Source identifier: 903106}
}