@misc{indiciae2bff3364c214,
  title = {Expert system reasoning about dynamic systems by semi-quantitative simulation.},
  author = {L E Widman},
  year = {1989},
  doi = {10.1016/0169-2607(89)90078-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/2743755/},
  note = {Source identifier: 2743755}
}