@misc{indiciaecd155287e71f,
  title = {Cyclic scheduling.},
  author = {A R Morrish and A R O'Connor},
  doi = {10.1097/00005110-197109000-00015},
  url = {https://pubmed.ncbi.nlm.nih.gov/5208583/},
  note = {Source identifier: 5208583}
}