@misc{indiciaef2bfa0d22bed,
  title = {On certainty and uncertainty.},
  author = {P Underwood},
  year = {1986},
  doi = {10.1016/0277-9536(86)90158-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/3764513/},
  note = {Source identifier: 3764513}
}