@misc{indiciae72cc163c6d9d,
  title = {Expert systems: a classical introduction.},
  author = {R D Semmel},
  doi = {10.1097/00004669-198805000-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/10288417/},
  note = {Source identifier: 10288417}
}