@misc{indiciaea8b6b8985b0c,
  title = {The MAC concept: a historical perspective.},
  author = {W R Francis and C G Gammill and C L Braucher},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/10297991/},
  note = {Source identifier: 10297991}
}