@misc{indiciaeaaf5d646fd8c,
  title = {Uncertainty and critical-level population principles.},
  author = {C Blackorby and W Bossert and D Donaldson},
  year = {1998},
  doi = {10.1007/s001480050055},
  url = {https://pubmed.ncbi.nlm.nih.gov/12348432/},
  note = {Source identifier: 12348432}
}