@misc{indiciaeda11f8fbf3ec,
  title = {Boundary methods: A criterion for completeness.},
  author = {I Herrera},
  year = {1980},
  doi = {10.1073/pnas.77.8.4395},
  url = {https://pubmed.ncbi.nlm.nih.gov/16592855/},
  note = {Source identifier: 16592855}
}